Building Gadgets Version
buildinggadgets2-1.3.3.jar Neoforge 1.21

Describe the bug
Trying to Sneak click Templates on the ground crashes the game.
Clicking on material list in the template manager also crashes the game, even with no template inside

This occured to while playing atm10 and i tried it with only the mod installed and nothing else in neoforge version 21.0.133 and 21.0.117

To Reproduce
Get a template, sneak click ground

Expected behavior
The making of a new template (havent used them before, not quite sure what would happen)

Log Files
https://mclo.gs/hKoED9m

Thanks for the report - should be fixed :)