Describe the bug

See FTBTeam/FTB-Modpack-Issues#8700

How can we reproduce this bug or crash?

See origian lissue

What Minecraft version is this happening on?

Minecraft 1.21.1

What NeoForge or Fabric version is this happening on?

not relevant

What Refined Storage version is this happening on?

not relevant

What modpack and modpack version, if any, are you using?

FTB Skies 2 - latest

Relevant log output

Appears to be caused by All The Leaks.
Fixed by adding mixin.perf.ingredient_item_deduplication=true