Bookshelf Forge 1.17.1 11.0.1
Forge 17.17.1-37.0.31(33)

Bookshelf Forge (Bookshelf Forge) has failed to load correctly java.lang.reflect.InvocationTargetException: null

Crashlog.

This is caused by a breaking API change in Forge. The new 11.0.2 release has been updated to account for this. Old versions of Forge for 1.17.1 are now incompatible.

MysticalAgriculture-1.18.2-5.1.3.jar
forge 1.18.2 - 40.2.9
MysticalAgriculture (MysticalAgriculture) has failed to load correctly java.lang.reflect.InvocationException: null

@miguelBL967 That error clearly says MysticalAgriculture. This is the page for Bookshelf.

( e isso que aparece