روی WHMCS6 نصب کردم وارد دروازه پرداخت میشه ولی بعد از پرداخت این ارور رو میده. زمان انصراف هم همین ارور رو میده

Warning: include(../../../dbconnect.php) [function.include]: failed to open stream: No such file or directory in /home/xxxxx/public_html/client/modules/gateways/callback/mellat.php on line 4

Warning: include(../../../dbconnect.php) [function.include]: failed to open stream: No such file or directory in /home/xxxxxx/public_html/client/modules/gateways/callback/mellat.php on line 4

Warning: include() [function.include]: Failed opening '../../../dbconnect.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/xxxxx/public_html/client/modules/gateways/callback/mellat.php on line 4

Fatal error: Class 'WHMCS\Invoice' not found in /home/xxxx/public_html/client/includes/gatewayfunctions.php on line 0