After Steam automatically downloaded the new version of Rome 2 (even though it does not work for Mac!) the game refused to launch. So I did my research and went to the Beta section and selected the Patch_17, it was said that this would solve the problem. It did not. So I selected patch_16 still the game immediately crashes upon launching.

Mar 03, 2016 · A Fix For Steam Workshop Mods Not Working With Europa Universalis 4 ... A video by a person on another channel that has a fix for getting mods to work when the game does not support the current ...