minecraft: 1.12.2
forge: 2635
FTGU: b1.2.15

otehr mods involved with this crash according to this report:
Tech reborn: 2.12.8.521
Reborn core: 3.6.14.229
realistic item drops: 1.2.11

report: here

Will fix ASAP

ok cool btw here's another report if it refines the issue, happens with modded logs as well: here

https://github.com/Astavie/Astavie.github.io/raw/mvn-repo/astavie/ftgu/1.12.2-b1.2.16/ftgu-1.12.2-b1.2.16.jar
Here's a potential fix. Does it work?

I'll assume it did