Minecraft 1.16.5
Fabric Loader 0.11.3
Fabric API 0.32.0
More Gems 1.1.22
Harvest Scythes 1.0.9

crash-2021-03-20_16.26.03-client.txt

Howdy. The user opened an issue with me as well on this. I re-wrote my tool material list from a a single enum class into separate classes to allow for greater customization via config. You will likely need to adjust accordingly.