function exec_SELECTquery($select_fields,$from_table,$where_clause,$groupBy='',$orderBy='',$limit='') { $res = mysql_query($this->SELECTquery($select_fields,$from_table,$where_clause,$groupBy,$orderBy,$limit), $this->link); if ($this->debugOutput) $this->debug('exec_SELECTquery'); return $res; }//This is the line 789 which results the error://mysql_num_rows(): supplied argument is not a valid MySQL result resource in class.t3lib_db.phpfunction sql_fetch_assoc($res) { return mysql_fetch_assoc($res); }