Bug Description

Ad astra seems to be crashing the game by accidentally adding the same item stack twice to its creative mode tab.

How to Reproduce?

Make A New Singleplayer World
Enable Creative
Open Inventory

Expected Behavior

Open inventory just fine with no crash

Version

1.15.18

Mod Loader Version

1.20.1 0.15.6

Mod Loader

Fabric

Logs or additional context

Log: https://pastebin.com/8a9EUZr9

Code of Conduct

• I have searched the issue tracker and confirmed that the issue has not been reported
• I have checked the FAQ (if one is present) and my issue is not listed
• I have verified that I am using the latest version of the mod
• I have verified that I have installed all the required dependencies for the mod
• I have verified that I do not have Optifine installed. We will close issues if we detect Optifine is in your pack. We cannot fix Optifine issues. Please do not report issues with Optifine present.

Hi, i have the same problem in the same version. Did you find a issue ?

some mod leads to such consequences, I don't have other versions