I'm now getting a different error
TheTwilightForest (twilightforest) encountered an error during the sided_setup event phase
https://gist.github.com/timelordvampire/b5bb4f1ceb46575a032d89fe09f2768f
Forge 40.1.60. Made a modpack using curseforge. Clicked play, the Mojang client loads up, the loading bar appears and then crashes with:
The game crashed while rendering overlay.
Error:java.lang.OutofMemoryError: Java heap space
Exit Code: -1
https://gist.github.com/timelordvampire/5bf4c153e7eaed6e2fb10293597268b9