FATAL_ERROR: Tried to get wrong option 'ModPlug_Oversampling'!

How do I solve this error?

I have MOC working before but it will not work now. It is giving me so many errors and this is the latest one.

I have all the files listed here:

http://packages.ubuntu.com/natty/amd64/moc/filelist

including ~/home/***/.moc/config

and all the dependencies listed here:

http://packages.ubuntu.com/natty/moc

but I get this:

$ mocp
Plugin uses different API version
Plugin uses different API version
Plugin uses different API version

FATAL_ERROR: Tried to get wrong option 'ModPlug_Oversampling'!

Based on what you've said above, my best guess is that you've somehow
got a very old (pre-April 2006) version of the mocp executable.

What does 'mocp -V' say?

$ mocp -V
moc 2.5.0-alpha4 Build: Sep 16 2010 05:55:41
Compiled with: OSS ALSA JACK DEBUG internet streams resample

This is actually the one I managed to get working properly. It took me a few times to get it to work. I don't know what version I was using earlier.

I should note that this was just a case of user error.

I had moc installed on a previous installation of Ubuntu and had some settings files in the .moc folder. A few days ago, I reinstalled moc from the repository and wanted to change the settings but the files were no files in .moc. I thought it did not install properly so purged it. Downloaded the source from the moc page (this site I'm posting on), compiled it and got the fatal errors. Retried the repository and that came up with the same errors, even after removing all the files and folders related to moc. Tried again and installed moc from the repository and it worked. Must have due to restarting the computer.