Bugfree Landing Error, PHP error

Bugfree landing error, PHP wrong. Help
HP Error
Mysql_escape_string (): This function is deprecated; Use Mysql_real_escape_string () instead.

C:\xampp\htdocs\bugfree\protected\service\SqlService.php (563)

551 *
552 * @author Yupeng lee<[email protected]>
553 * @param string $fieldName fieldName
554 * @param string $operatorName =,<,>,<= eg.
555 * @param string $fieldValue fieldvalue
556 * @return String Query string for SQL
557 */
558 private static function Basegetfieldquerystr ($searchFieldConfig, $type, $fieldName, $operatorName, $fieldValue)
559 {
560 $basicTableName = ' {'. $type. ' View} ';
561 $fieldValue = Trim ($fieldValue);
562
563 $fieldValue = mysql_escape_string ($fieldValue);
564//handle Search Value%
565 $fieldValue = str_replace ('% ', ' \% ', $fieldValue);
566//$fieldValue = Str_replace (' _ ', ' \_ ', $fieldValue);
567
568 $queryStr = ";
569 if ($fieldValue = = ")
570 {
571 return $queryStr;
572}
573 ElseIf (Info::mark = = $fieldName)
574 {
575 $inOrNotIn = ' not ';
Stack Trace
#0 +–c:\xampp\htdocs\bugfree\protected\service\sqlservice.php (563): mysql_escape_string ("Sample Product")
558 private static function Basegetfieldquerystr ($searchFieldConfig, $type, $fieldName, $operatorName, $fieldValue)
559 {
560 $basicTableName = ' {'. $type. ' View} ';
561 $fieldValue = Trim ($fieldValue);

------Solution--------------------
Mysql_escape_string (): This function is deprecated; Use Mysql_real_escape_string () instead
Mysql_escape_string () function is deprecated and replaced with mysql_real_escape_string ()

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