Some problem

I downloaded Regions and provinces mod but it did not work so i uninstalled it so I played broken crecent and when i clicked the button, the button was a building then it crashed. can someone help me. Who has the regions and provinces mod? who experienced the error?

Hints: The button was a building
And now, it has a unspecified error and will exit.

Some of my choices
Uninstall M2TW or BC and reinstall it
OR
Delete everything that has to do with the regions and provinces mod

I think first choice will help you.