Modpack version 3.13

Describe the bug
I create the spell Harvest on a projectile. I shoot tree. Spell just pops and tree still stands.

Logs
Input pastebin link to crash-report or latest.log, if applicable.

Screenshots
This is my spell I using for this.

Yes, tree harvesting was recently separated from harvest.

Which book are you saying tells you to use harvest? The quest book, or the mod's manual?

mod manual

According to the book, this is the spell that is used for it. However, there is another spell called Fell - which is probably the one I actually need.

Looks like they've already taken care of this in the next version:

Or are you referring to a different page?