This is the error log from apache2\logs directory. PHP Fatal error: Cannot redeclare class Net_LDAP2 in C:\\Bitnami\\wampstack-5.6.20-0\\apache2\\htdocs\\osticket\\include\\pear\\Net\\LDAP2.php on line 0, referer: http://helpdeskbox/osticket/scp/plugins.php?id=1