Create a World on Aternos as a vanilla server with plugins
Import said World file into a Fabric Server with these mods
Too Many Paintings
RightClickToHarvest
MouseTweaks
Macaw Lights
Macaw Fences
Macaw Doors
JourneyMap
JEI
Jamlib
Him
FriendsAndFoes
Fabric API
Cloth Config
Architectury
Anvil Never Too Expensive
Epic Nights
Steps to Reproduce
Too Many Paintings RightClickToHarvest MouseTweaks Macaw Lights Macaw Fences Macaw Doors JourneyMap JEI Jamlib Him FriendsAndFoes Fabric API Cloth Config Architectury Anvil Never Too Expensive Epic Nights
Expected Behavior
Join the Server without issue
Actual Behavior
Displays cannot connect and Invalid Player Data
Your Minecraft version
1.21
Your error log
https://gist.github.com/WhasianCactus/02d65a210764e8cd952b3d320d6844ac
Additional Comments
No response
Conclusion