[.:Kaos:.]

Code:

if(IsPlayerConnected(player))
   {
      ShadInfoBoxForPlayer(playerid, "Player isnt online");
      return 1;
   }

Needs to be,

Code:

if(!IsPlayerConnected(player))
   {
      ShadInfoBoxForPlayer(playerid, "Player isnt online");
      return 1;
   }

#Edit; Beat me to it.