[Mean]

Add these:

pawn Код:

public OnPlayerConnect( playerid )
{
    if( IsPlayerNPC( playerid ) ) return 1;
    // And your usual code... 
}

pawn Код:

public OnPlayerRequestClass( playerid )
{
    if( IsPlayerNPC( playerid ) ) return 1; 
    // And your usual code... 
}