Has the spawner been moved? Do /realname Mod to check whos online, otherwise put the coordinates of the spawner using [ hide] and [ /hide] (Don't use the space between the square brackets and a mod can leave the spawner in a chest for you.
Just wait for a mod to be online. There is almost always at least one mod online, if not more. Reply when this has been resolved or you would like it to be archived
Thread Locked on request. If you disagree to this action, please report this post, and a moderator or administrator will reconsider it. Kind regards, The Staff