the crash

this is the error from the console.

https://pastebin.com/gxwbtG17

Logs:

Latest: http://paste.ubuntu.com/p/pPzwHDC52Z/
debug: http://paste.ubuntu.com/p/R7Zkj6Xmvn/

Modlist

http://paste.ubuntu.com/p/6cVsxHVfBF/

This is due to a mod using a method that had accidentally been removed. Specifically com.teamwizardry.librarianlib.features.helpers.ItemNBTHelper.removeEntry(Lnet/minecraft/item/ItemStack;Ljava/lang/String;)V. We've gone ahead and scanned the jar for any other accidental deletions, and the fix should be trivial for the next patch.

ok, just got the crash again this time because something is in the world.

https://pastebin.com/gV1anwak

what is the eta on the next patch?
Can I roll this down a version and psideas still work?

Yeah, rolling back will probably work, though I would make a backup of your world beforehand just in case. We don’t have an eta on the patch, but ideally it’ll be out in the next few days.