Minecraft version & Mod Version:
1.16.5 & 1.3.5

Single player or Server:
Server

Describe problem (what you were doing / what happened):
I was attempting to link up one inventory to my simple storage system using the block that makes the wireless stuff possible but it crashed the server and the game when an item was to be sent to the main system.

Crash log (if any):
simple storage crash.txt

(If this is a suggestion and not a bug report, delete all this and just write your suggestion!)