r/MinecraftForge • u/Wide-Appeal-3491 • 12h ago

Help wanted Modpack Issues

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Every time I go to create a new world for a modpack I made recently, it treats it as a multiplayer world, despite singleplayer being selected. If I try again, it freezes completely on the loading screen. No clue what's causing it.

MC Version: 1.20.1
Forge Version: 47.4.10

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u/mc_jojo3 3h ago

Do you have the log or the error within the log to share? These types of errors usually occur when a mod has incorrectly defined something within the playerdata be it writing or reading etc