Version Information

Forge version: 35.1.12
Botania version: 1.16.4-410

Further Information

https://pastebin.com/bJtrhZ5p
Steps to reproduce:
Not sure what happened. There was only one player on our server at the time and he was not doing anything with Botania. I was notified the server was down and found Botania listed. Wish I could offer more information.

Botania isn't in the stack trace at all, so I'm going to need more information

Have you tried updating Blame? It apparently had an issue where items without a special behavior would crash when thrown by a dispenser.

TelepathicGrunt/Blame@24cafb2
Fixed in latest Blame, I asked the mod author.

@ClaudiusMinimus This 100% my fault. Please update Blame to 1.7.5 as I screwed up dispenser code checks in 1.7.4 and below