so i did some settings and i dont understand why i cant join my server please help. like i restarted my server waited like 20 minutes and still didnt work and i did client.connect
Apparently the settings you changed are not matching what the game client requires. Were the changes to mods? Try changing them back to default then change only one setting at a time, log in, log out change another setting and do this until you identify the culprit.