cs_get_user_team (Debug ERROR)

public plugin_init() {
   register_message( g_msgScreenFade, "msg_ScreenFade" );
}

public msg_ScreenFade( iMsgId, iMsgDest, id ) <initializing, initialized>
{
    if(!is_user_connected(id))
          return PLUGIN_HANDLED;
    
   if(hnsru_war) {
      if(get_pcvar_num(hnsru_hnsmode))
      {
         if( get_msg_arg_int( 4 ) == 255 && get_msg_arg_int( 5 ) == 255 && get_msg_arg_int( 6 ) == 255 )
         {
            if((cs_get_user_team(id) == CS_TEAM_T) || (cs_get_user_team(id) == CS_TEAM_SPECTATOR))
            {
               return PLUGIN_HANDLED;
            }
         }
      }
   }
   return PLUGIN_CONTINUE;
}

new iMaxPlayers;
iMaxPlayers = get_global_int(GL_maxClients);

stock bool:isValidPlayer(const id)
{
    if (id < 1 || id > iMaxPlayers)
        return false;
    
    return true;
}