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My Forge 1.20.1 wont load even without mods


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Im trying to create a modpack for me and my friends using forge. I never liked forge so i used fabric at first. But there were some mods I really wanted from forge, so i tried to switch to that. I added the mods (yes the mod versions that are forge supported and version supported) into the mod folder. I kept getting crashes. I then removed the mods one by one till there was nothing left. I tried it one last time and crash again. So I tried to download actual forge and not the forge on OverWolf. I installed it without mods and it still crashed. Deleted and reinstalled Java 17 and nothing.

I think this is the link for the crash report https://pastebin.com/hQUhArhN

 

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java.util.ConcurrentModificationException
	at java.base/java.util.HashMap.computeIfAbsent(Unknown Source)
	at Genesis//com.moonsworth.lunar. ...

Looks like an issue with the Launcher - Make a test with another Launcher like MultiMC, AT Launcher or Technic Launcher or try the original one

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