Try removing
Cardinal Components
Learn more about this change here.
For help regarding Aternos, we recommend you to visit our support center.
Try removing
Cardinal Components
Does the pack work in SP?
Try changing your DNS: Connects
Share your client log
Maybe there's a plugin that offers such functionality
Provide a screenshot of the connection details entered on your Minecraft client as well as the error message.
Please ignore this whole browser thing, as this is not an issue and completely unrelated.s
Try installing llibrary
Custom modded or a modpack?
Use the DynIP: Connect
What does not work?
Then it's probably a plugin on your server modifying the motd