You are running some sort of script which is broken.
You need to search through your scripts to find the reference to 'MPCVID' and figure out what it's supposed to be doing.
That being said, it's broken and you haven't noticed anything missing, so it shouldn't be an issue to remove the code.
ALT-R to get into your remotes. Go through the files listed under the 'View' menu, use the 'Find' function.
