i cant start my server (Modded)

Hello, im new on this, but i was searching the way to upload my own generated world, i used filezilla to upload the world on the folder worlds, once i upload, i select on GameWorld, save changes, and when i try to run the server it says restarting server, and server stopped, someone can tell me what im doing wrong? before the server runned, but i was doing wrong the world upload, now i uploaded the world, on the folder, and selected on game world, this happens, thx

Quote from Dervasot

Hello, im new on this, but i was searching the way to upload my own generated world, i used filezilla to upload the world on the folder worlds, once i upload, i select on GameWorld, save changes, and when i try to run the server it says restarting server, and server stopped, someone can tell me what im doing wrong? before the server runned, but i was doing wrong the world upload, now i uploaded the world, on the folder, and selected on game world, this happens, thx

Now the thing get better, i reinstalled, deleted all mods, the server wont start, even fully vanilla, things get better