Minecraft Crashes on launch 1.20.1 Error: java.lang.RuntimeException: One of more entry values did not copy to the correct id.

[DatLink]

Hello,

I am haveing some Trouble with my new Custom Modpack. It keeps crashing on Launch and i am not versed enough to comprehend why.  

Thanks in advance for any help!

Crashlog: https://pastebin.com/C8YU40F9

DebugLog: https://paste.ee/p/WFtkxn7X (Please excuse the different Link the Debug.log was to big vor Pastebin)

Here some further infos:
- I am using Curseforge to build my Modpacks 
- the Vanilla version of this Instance Launched all fine 

Edited Saturday at 10:13 PM by DatLink

[TileEntity]

Does it work without Create and all addons?

[DatLink]

  On 4/6/2025 at 6:14 AM, TileEntity said:

Does it work without Create and all addons?

Expand  

Yes it loads up Just fine

[TileEntity]

Start with adding Create

If this works, add the Create add-ons one by one

[DatLink]

  On 4/6/2025 at 7:05 AM, TileEntity said:

Start with adding Create

If this works, add the Create add-ons one by one

Expand  

Found out that the Culprit is "Create Stuff & Additions" 

thank you lots this has been doing my head in.