Whenever I try to open any file with Vim I get this error message:
Error detected while processing /home/emma/.vimrc:
line 138:
E484: Can't open file '/home/emma/.opam/system/share/ocp-indent/vim/indent/ocaml.vim'
Press ENTER or type command to continue
But the strange thing is that when I do this, the file actually opens:
vim ~/.opam/system/share/ocp-indent/vim/indent/ocaml.vim
So I've verified that the file does exist and that Vim is capable of displaying the code.
Here are lines 120 to the end of my .vimrc:

And here is the entirety of ~/.opam/system/share/ocp-indent/vim/indent/ocaml.vim:
