If you have any problems with the current program (editors or game itself), it is best to reinstall everything.
Either from the 03b version available in the store under your account,
Either from the version you have before installing the "full patch" 03b (*)
After that, you can install the Peninsula War and Waterloo Modds that are fully compatible and should not be a problem.
Others Modds (uniforms, trees, buildings) must also be integrated easily, especially with the tool JGSME ... in case of problems, it is best to talk with the creators ..
Graphical issues in the present version scale 1/1 and 1/4 ...
No real bugs because it is a beta version proposed for your enjoyment .. there are still some adjustments to be made ..
I slowly work "to avoid burning out" because I am always a bit tired.. but sure, my engine will start again...
JMM
(*) Please, download the version again because there was an issue in the previous patch 03b