Modpack version: 0.4.8 - Engimatica 6

When you make potion ammo (tested with Instant Damage II) and you place it in the minigun GUI.
When you close the GUI it makes the player crash with a "Ticking player" error in console

Logs
Specific error snip: > https://pastebin.com/Q2dUvDX1

Incase more info is required i'm happy to supply it

Thanks for the report - Duplicate of #1756 though