JPA OneToOne Field 'price_id_price_id' doesn't have a default value

how do I resolve that error? Thank to all answers.

org.springframework.orm.jpa.JpaSystemException: could not execute statement [Field 'price_id_price_id' doesn't have a default value] [insert into servicecontractpriceentity (confirmed,creation_date,user_id_user_id) values (?,?,?)] at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:348) ~[spring-orm-6.2.9.jar:6.2.9] at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:256) ~[spring-orm-6.2.9.jar:6.2.9] at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241) ~[spring-orm-6.2.9.jar:6.2.9] at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:566) ~[spring-orm-6.2.9.jar:6.2.9] at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:795) ~[spring-tx-6.2.9.jar:6.2.9] at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:758) ~[spring-tx-6.2.9.jar:6.2.9] at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:698) ~[spring-tx-6.2.9.jar:6.2.9] at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:416) ~[spring-tx-6.2.9.jar:6.2.9] at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-6.2.9.jar:6.2.9] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.9.jar:6.2.9] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:728) ~[spring-aop-6.2.9.jar:6.2.9] at edu.remad.tutoring3.services.impl.ServiceContractPriceEntityServiceimpl$$SpringCGLIB$$0.saveServiceContractPrice() ~[classes/:0.1.1-SNAPSHOT] at edu.remad.tutoring3.controllers.ApiServiceContractPriceEntityController.saveServieContractPrice(ApiServiceContractPriceEntityController.java:79) ~[classes/:0.1.1-SNAPSHOT] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:258) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:191) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:991) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:896) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:914) ~[spring-webmvc-6.2.9.jar:6.2.9] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:590) ~[servlet-api.jar:6.0] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) ~[spring-webmvc-6.2.9.jar:6.2.9] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) ~[servlet-api.jar:6.0] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205) ~[catalina.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[catalina.jar:10.1.19] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) ~[tomcat-websocket.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[catalina.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[catalina.jar:10.1.19] at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.web.FilterChainProxy.lambda$doFilterInternal$3(FilterChainProxy.java:231) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:365) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.access.intercept.AuthorizationFilter.doFilter(AuthorizationFilter.java:101) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:125) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:131) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:85) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:179) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.authentication.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:177) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.oauth2.server.resource.web.authentication.BearerTokenAuthenticationFilter.doFilterInternal(BearerTokenAuthenticationFilter.java:158) ~[spring-security-oauth2-resource-server-6.5.2.jar:6.5.2] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:107) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:93) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:91) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:82) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:69) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:62) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.session.DisableEncodeUrlFilter.doFilterInternal(DisableEncodeUrlFilter.java:42) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191) ~[spring-security-web-6.5.2.jar:6.5.2] at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.ServletRequestPathFilter.doFilter(ServletRequestPathFilter.java:52) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$CompositeFilterChainProxy.doFilter(WebSecurityConfiguration.java:319) ~[spring-security-config-6.5.2.jar:6.5.2] at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.servlet.handler.HandlerMappingIntrospector.lambda$createCacheFilter$4(HandlerMappingIntrospector.java:267) ~[spring-webmvc-6.2.9.jar:6.2.9] at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.security.config.annotation.web.configuration.WebMvcSecurityConfiguration$CompositeFilterChainProxy.doFilter(WebMvcSecurityConfiguration.java:240) ~[spring-security-config-6.5.2.jar:6.5.2] at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278) ~[spring-web-6.2.9.jar:6.2.9] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[catalina.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[catalina.jar:10.1.19] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[catalina.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[catalina.jar:10.1.19] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[catalina.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[catalina.jar:10.1.19] at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:124) ~[spring-boot-3.5.4.jar:3.5.4] at org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:99) ~[spring-boot-3.5.4.jar:3.5.4] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:117) ~[spring-boot-3.5.4.jar:3.5.4] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[catalina.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[catalina.jar:10.1.19] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.2.9.jar:6.2.9] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.2.9.jar:6.2.9] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[catalina.jar:10.1.19] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[catalina.jar:10.1.19] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) ~[catalina.jar:10.1.19] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[catalina.jar:10.1.19] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) ~[catalina.jar:10.1.19] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) ~[catalina.jar:10.1.19] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[catalina.jar:10.1.19] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:673) ~[catalina.jar:10.1.19] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[catalina.jar:10.1.19] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) ~[catalina.jar:10.1.19] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391) ~[tomcat-coyote.jar:10.1.19] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-coyote.jar:10.1.19] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) ~[tomcat-coyote.jar:10.1.19] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744) ~[tomcat-coyote.jar:10.1.19] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-coyote.jar:10.1.19] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-util.jar:10.1.19] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-util.jar:10.1.19] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) ~[tomcat-util.jar:10.1.19] at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na] Caused by: org.hibernate.exception.GenericJDBCException: could not execute statement [Field 'price_id_price_id' doesn't have a default value] [insert into servicecontractpriceentity (confirmed,creation_date,user_id_user_id) values (?,?,?)] at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:63) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:197) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.jdbc.mutation.internal.AbstractMutationExecutor.performNonBatchedMutation(AbstractMutationExecutor.java:134) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.jdbc.mutation.internal.MutationExecutorSingleNonBatched.performNonBatchedOperations(MutationExecutorSingleNonBatched.java:55) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.jdbc.mutation.internal.AbstractMutationExecutor.execute(AbstractMutationExecutor.java:55) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.persister.entity.mutation.InsertCoordinatorStandard.doStaticInserts(InsertCoordinatorStandard.java:194) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.persister.entity.mutation.InsertCoordinatorStandard.coordinateInsert(InsertCoordinatorStandard.java:132) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.persister.entity.mutation.InsertCoordinatorStandard.insert(InsertCoordinatorStandard.java:104) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:110) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:644) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:511) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:414) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:41) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:127) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1429) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:491) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.internal.SessionImpl.flushBeforeTransactionCompletion(SessionImpl.java:2354) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:1978) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:439) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:169) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:267) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:101) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:562) ~[spring-orm-6.2.9.jar:6.2.9] ... 125 common frames omitted Caused by: java.sql.SQLException: Field 'price_id_price_id' doesn't have a default value at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:121) ~[mysql-connector-j-9.4.0.jar:9.4.0] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:114) ~[mysql-connector-j-9.4.0.jar:9.4.0] at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:988) ~[mysql-connector-j-9.4.0.jar:9.4.0] at com.mysql.cj.jdbc.ClientPreparedStatement.executeUpdateInternal(ClientPreparedStatement.java:1166) ~[mysql-connector-j-9.4.0.jar:9.4.0] at com.mysql.cj.jdbc.ClientPreparedStatement.executeUpdateInternal(ClientPreparedStatement.java:1101) ~[mysql-connector-j-9.4.0.jar:9.4.0] at com.mysql.cj.jdbc.ClientPreparedStatement.executeLargeUpdate(ClientPreparedStatement.java:1448) ~[mysql-connector-j-9.4.0.jar:9.4.0] at com.mysql.cj.jdbc.ClientPreparedStatement.executeUpdate(ClientPreparedStatement.java:1084) ~[mysql-connector-j-9.4.0.jar:9.4.0] at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate(ProxyPreparedStatement.java:61) ~[HikariCP-6.3.1.jar:na] at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate(HikariProxyPreparedStatement.java) ~[HikariCP-6.3.1.jar:na] at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:194) ~[hibernate-core-6.6.22.Final.jar:6.6.22.Final] ... 146 common frames omitted

I followed that pages: https://jakarta.ee/specifications/persistence/2.2/apidocs/javax/persistence/onetoone https://vladmihalcea.com/the-best-way-to-map-a-onetoone-relationship-with-jpa-and-hibernate/ JPA Field doesn't have a default value, one to one relation

That is the entity with error:

@Entity
@Table(name = "service_contract_price_entity")
@NoArgsConstructor
@AllArgsConstructor
@Setter
@Getter
@Builder
public class ServiceContractPriceEntity {
    
    /**
     * service contract price as primary key
     */
    @Id
    private long id;
    
    @OneToOne(fetch = FetchType.LAZY)
    @MapsId
    private UserEntity userId;
    
    @OneToOne(fetch = FetchType.LAZY)
    @MapsId
    private ServiceContractEntity serviceContractId;
    
    @OneToOne(fetch = FetchType.LAZY)
    @MapsId
    private PriceEntity priceId;
    
    private boolean confirmed;
    
    @NotNull
    @Column(name = "creation_date", columnDefinition = "TIMESTAMP")
    private LocalDateTime creationDate;

}

ServiceContractEntity:

@Entity
@Table(name = "service_contract_entity")
@NoArgsConstructor
@AllArgsConstructor
@Setter
@Getter
@Builder
public class ServiceContractEntity {
    
    /**
     * Constructor
     * 
     * @param serviceContract {@link serviceContract}
     */
    public ServiceContractEntity(ServiceContractDto serviceContract) {
        setServiceContractNo(serviceContract.getServiceContractNo());
        setServiceContractName(serviceContract.getServiceContractName());
        setServiceContractDescription(serviceContract.getServiceContractDescription());
    }

    /**
     * service contract number as primary key
     */
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "service_contract_no")
    private long serviceContractNo;

    /**
     * name of service contract
     */
    private String serviceContractName;

    /**
     * description of service contract
     */
    private String serviceContractDescription;

    /**
     * creation date of service contract
     */
    @Column(name = "creation_date", columnDefinition = "TIMESTAMP")
    private LocalDateTime serviceContractCreationDate;

}

PriceEntity:

@Entity
@Table(name = "price_entity")
@NoArgsConstructor
@AllArgsConstructor
@Setter
@Getter
@EqualsAndHashCode
@Builder
public class PriceEntity {
    
    /**
     * Constructor
     * 
     * @param price {@link PriceDto}
     */
    public PriceEntity(PriceDto price) {
        setId(price.getId());
        setPrice(new BigDecimal(price.getPrice()));
        setCurrency(price.getCurrency());
    }
    
    /**
     * the primary key for a price
     */
    @Id
    @GeneratedValue(strategy = IDENTITY)
    @Column(name = "price_id", unique = true)
    private long id;
    
    /** price with precision 16 and scale 2*/
    @Column(precision = 16, scale = 2)
    private BigDecimal price;
    
    /** currency */
    private String currency;
    
    @NotNull
    @Column(name = "creation_date", columnDefinition = "TIMESTAMP")
    private LocalDateTime creationDate;
}