Minecraft Connection Failures
Failed to connect to the server
Enabling Chat via Xbox Account Settings
If you are unable to send or see chat messages in Minecraft, your Microsoft/Xbox account privacy settings may be restricting in-game communication or cross-platform text and voice chat.
Remove erroring entities (Forge/NeoForge)
Setting this option will remove (delete) any entity that it deems as "broken" from the world.
Remove erroring tile/block entities (Forge/NeoForge)
Setting this option will remove (delete) any block/tile entity that it deems as "broken" from the world
Minecraft 26.3 startup crash
As of Minecraft 26.3 you need to add the jvm argument of -XX:StackShadowPages=32, This only seems to be needed on Windows.
Mods and Plugins
Before installing mods or plugins on your server, you need to ensure you are using the correct files for your mod or plugin software. Below, you can find some simple rules to help you confirm what file type you need to use.