[patchkinson]

I never made a spec sistem, but probably, when you do /spec you have to SetSpawnInfo
https://sampwiki.blast.hk/wiki/SetSpawnInfo
because at /spec make it setspawninfo, saving your current coordnates, and at /specoff when player spawns it probably will spawn back where it was, or maybe in your callbac OnPlayerSpawn you have somethin buggin it? dunno, check the admin filterscript's spec's and ul see