Description of the issue:

Periodic crashes for no apparent reason

Crashlog:

https://pastebin.com/pfAx45V0

Versions & Modlist

Mods: All The Mods 6 v1.3.3
Forge: 1.16.4-35.0.18
IE: 1.16.4-4.1.1-128

This seems to be the same problem as #4067, but that issue was supposedly fixed.

Update IE to its new version, that issue has been fixed.