I can't activate my server

hmmm... A FML file is missing i guess. did you try to backup anything you worked on and reinstalled the server? (the Minecraft version)

mmmmh... i have multiple servers, and i now created one and i wanted to install this mod: Virus Disease Mod

and i did not find it, where ist it?
and try install a different version minecraft and start it then... if there is no important data.

ps. i never had this problem

um, what minecraft version did you install?

oh gee, there are mutliple versions of 1.12.2
there is: Vanilla, Spigot/Bukkit, Forge, Magma, snapshot, Paper/bukkit, Modpacks that may contian 1.12.2, and glowstone.

that are all variations.

ps. if my english is not very good, i apologise.

ok... huh, i did never got that... and i may never installed this version. il try it.

oh, there are multiple versions of forge 1.12.2

there they are: 1.12.2(14.23.5.2847), 1.12.2(14.23.5.2768), 1.12.2(14.23.4.2766)

<Main_Language_error> 404 this language is not found in my language base.

I can read and write in: German, English.

i did some "Googe tranlate" action, and i cant replicate this without the exat version. i'l try it on this day later... i need to go to bed. on my time it is 01:08 AM

short: i can't read spanish. so il go sleep now. i can later try help you. Maybe wi With AnyDesk.

so later. Good night. : D