Does this seem normal:

There is no crash that happens and this only happens with more than one barrel in a similar area close to the other barrels. It doesn't happen when doing this manually with a singular barrel or with a hopper and chest doing so for that one barrel.

Fabric ModLoader (FML) Log: https://paste.ee/p/SAjPP (Don't know if this will help at all as there is too much log spam)