
If you want to use mod(pack)s you have to use the exact same version of that mod(packs) on your own computer as on your server.
Learn more about this change here.
For help regarding Aternos, we recommend you to visit our support center.

If you want to use mod(pack)s you have to use the exact same version of that mod(packs) on your own computer as on your server.
We will update it as soon as possible if there really is an update available.
Please provide the official download link of the mod you wish to be added.
We do now, please provide the official download link.
Please describe the mod pack briefly and provide the official download link.
Echt mal, verpisst euch alle.
Hast du das Plugin Vault installiert? Wenn nicht, dann installiere es und schau, ob es dann funktioniert.
Make sure to install mcore (MassiveCore) too for Factions to work.
Are you sure the version you installed is compatible with your currently used CraftBukkit / Spigot version? What does it say in console when trying to perform a SlimeFun command?
Du brauchst einen chat manager, um den Chat zu modifizieren.
Make sure to not overload your server by large worlds, mob farms or redstone / other machines.

We only keep the newest version of a mod pack.
Just stop your server and try to start it later again. I assume it's just a temporary failure.
Ändere deinen Server zum Premium-Modus, wenn du Skins verwenden willst.
Maybe it works again now, just try it. If not, download your world, delete the players directory out of it and upload it again. Also, here is a tutorial on how to correctly upload worlds at Aternos:
Actually, configurations are not downloaded, they are created by the plugins, normally. @Vicenzo_Br I just checked your server and your configurations do have been created.
Wenn die Map im Singleplayer auch nicht funktioniert, dann wurde sie wahrscheinlich aufgrund des Serverabsturzes beschädigt. Du kannst versuchen die Welt mit z.B. MCEdit zu beheben.