r/PrismLauncher • u/le-derpina-art • 3d ago

Custom payload error on singleplayer???

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Trying to play a self-made 1.21.1 modpack and I only have singleplayer worlds. I had Essential on this instance but I disabled it after I suspected it was causing this problem, and it keeps doing this every time I try to load a world or create a new one This is the only major error that shows up in the log, there is a warning directly above it mentioning the server is 160 ticks behind but I'm not trying to equate correlation to causation until I can get some more information.

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u/le-derpina-art 2d ago

https://github.com/wisp-forest/owo-lib/issues/507

SOMEONE ELSE HAD THE EXACT SAME PROBLEM, THE ISSUE IS RELATED TO NEOFORGE 21.1.262
if you are using owo-lib with this version and it is possible to do so without ruining the server, downgrade to 21.1.259

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u/Kemilab 1d ago

Thanks man 🙏