I don't know how to provide a minimum working example, because this was working before on these files. What has changed is that I updated to the latest version of Vim and moved my latex-suite installation to the new pack directory.
Much of vim-latex seems to work, but F9 no longer works, instead several errors pop up, the first error statement is,
Error detected while processing function Tex_Complete...Tex_GrepHelper..Tex_ScanFileForCite: line 82:
After that there follow several instances of the error code
E121: Undefined variable: foundCiteFile
Then the final error that I see is
No bibkey, label or word beginning with 'partial_bibkey'
where I have substituted my partial bibkey with
Since BibTeX can find the files when I run it on the LaTeX file, I don't think that there is an issue with the setup, but something is wrong. Can anyone give me some guidance on how to troubleshoot this?