1.6 branch complains that it isn't compatible with 1.6

**Describe the bug**
when using the 1.6 branch, the game complains it isn't compatible with 1.6

**To Reproduce**
Steps to reproduce the behavior:
1. use 1.6 branch
2. open mods menu in game
3. look at pawnmorpher

**Error Log**
n/a

**Expected behavior**
game shows mod as compatible

**Screenshots**
can upload one if really needed

**Additional context**
n/a
