i made a server yesterday, set it to a superflat world with the void preset, turned on command blocks, disabled mob spawning, etc., and i added worldedit, essentialsX, and essentialsX warps plugins. after setting it up i tried to start the world but when i clicked the button it said "starting" and then went offline again after about 30 seconds. ive tried repairing the core files, removing plugins, deleting all the .json files, and even making a new server but the same thing keeps happening. is t