It’s not solved, but your mod is playable. After an initial crash and after a loading screen resolution issue on all subsequent loads, the game starts and looks fine.
BTW, this issue is not relevant to the atlas sync bug mentioned by OvermindDL1. Because game crashes at the stage of initializing mods and BEFORE loading textures. Actually speaking, game crashes at PreInitialization - GregAPI:
Have you made any changes to Greg-API between GT 6.14.09 and GT 6.14.10?