Reply #1 Top

This may be the issue.  The mint I just completed is the SECOND mint.  This means I managed to accidentally duplicate a national building (I wondered why it took away 200materials when I started it and it took forever to build).

Reply #2 Top

And a little addition.  Deleting one of the mints dropped my income from 7 down to 3.  Really low considering I have a gold mine and a trading post.