Issue Description:

Trying to copy NBT from input to output crashes the game when using onlyWithTag in function

What happens:

Trying to copy NBT from input to output crashes the game when using onlyWithTag in function

What you expected to happen:

To not crash

Script used (Please Pastebin or gist your script, posting an unpasted or ungist'd script will automatically close this issue):

https://pastebin.com/a9AJAZaZ

crafttweaker.log file (Please Pastebin or gist your file, posting an unpasted or ungist'd file will automatically close this issue):

https://pastebin.com/NWp27Rrb

Affected Versions (Do not use "latest"):

• Minecraft: 1.12.2
• Forge: 14.23.5.2838
• Crafttweaker: 4.1.19
• Using a server: No

Your most recent log file where the issue was present:

https://pastebin.com/UUL1cSG3

You cannot condition an output.
You need to use withTag