Minecraft 1.12.2
Magneticraft_1.12-2.5.2-dev.jar
Forge 2768

Hello!
If you place a Copper Coil with coordinates back into the storage and start typing copper into the search window game will crash.
Crash report: https://pastebin.com/90jQDgK8
Screen: https://imgur.com/a/3egDhCT