Version Info
1.16.5
trashcans-1.0.10-mc1.16.5.jar
Forge 36.2.2

Steps to Reproduce
Right click on trashcan, crashes. Might be issue with newer versions of Forge.

Crash report (~/logs/latest.log)

See
https://pastebin.com/VamGaLcV

It seems this issue was introduced in Core lib version 1.0.11.

It should be fixed now in Core lib version 1.0.11a for 1.16.5.