Trying to move single player world into mutliplayer server for ciscos ultimate fantasy rpg mod pack

[fluid rose]

ive tried moving the zipped file into the world then having the saved file name for the world match up and it doesn't work and i dont know what else to do does anyone know what i can do.

[marsh tendon]

delete the world file alderdy present in the server and rename the one you added to world after unzipping it