Minecraft stopped loading with an 'Exception'-Error

Crash-Report: https://pastebin.com/Kkx7KRDi

Same, reproduced with only tips mod-
https://gist.githubusercontent.com/ProsperCraft/03a1cece6340c536498b25b655a84a37/raw/47b01de689814a19df4078e6d506c700d351fffe/gistfile1.txt

There were two different Forge updates that broke a lot of mods. Took a bit but this mod has been updated to work with their updates. Check out 6.1.5 when you're ready to update.

it works fine (also) with the latest Forge 41.1.0
Thanks for updating @Darkhax