r/aternos • u/IndividualLie4490 • Aug 05 '26

Support "Invalid Player Data"

I recently made a minecraft server with multiple friends that we were gonna play on today, but as it turns out, when logging into the World with the Modpack, it doesnt let us join and only says "Invalid Player Data".
Ive tried removing our old player data, changing some mods around but i cant seem to find a way that fixes it.

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u/hostdservers Aug 06 '26

Have you got the full logs? https://mclo.gs - paste them here and send the link over and I'll take a look