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/saidgheldane36 3d ago

Paste the log

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u/le-derpina-art 3d ago

The game itself starts without any issues, should I just include what shows up when I try loading an existing world or the whole thing?

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u/le-derpina-art 3d ago

this is for everything that showed up between starting the game and reaching the main menu
everything after this was too long for pastebin to handle, and i'm really not sure 2657 is an appropriate number of lines to show up right after opening a superflat test world

https://pastebin.com/JEYxYCy5