Me and my friends sometimes wouldn't get XP from killing mobs, mining ores, smelting, etc. This has been going on for 3 days. We are playing on 1.19 with keep inventory on if that matters. Thanks for any help! 
Posts by Enderomeda
The Aternos forums are now deprecated
Learn more about this change here.
For help regarding Aternos, we recommend you to visit our support center.