[2021] Can't log into modded server

Hey @ISanchesI

Please make sure that the mods are up to date, and that your friend has installed them correctly and has them loaded in the same order as your server in their modlist.txt file.

We have edited the title of your post to better reflect the issue being reported.

In that case, are you using the Dedicated Server tool? If that is the case, please feel free to check the official thread for it, where other admins can help you troubleshoot what could be your problem in particular: