It’s when in mod.json of current mod comma before square bracket:
I corrected mod.jsons of test mods, now it errors something like
Exception=Error at line 92, Pos 6:Expected , or ], got token "name".
It will need ideal jsons now:-)
TApplication.HandleException Res not found config/darkness/buildings.json
When mod is not archived to Content.zip, and unpacked in Content,