What happened?

An error has occured while trying to handle your request and execution has been terminated. Please forward the above error code to the site administrator.

The error code can be used by an administrator to lookup the full error message in the Administration Control Panel via “Logs » Errors”. In addition the error has been written to the log file located at */log/2025-07-28.txt and can be accessed with a FTP program or similar.

Notice: The error code was randomly generated and has no use beyond looking up the full message.

System Information

• PHP Version:

  7.4.12

• WoltLab Suite Core:

  3.1.6 pl 1

• Peak Memory Usage:

  1.194/128 MiB

• Request URI:

  /sitemap.xml

• Referrer:

• User Agent:

  Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

Original Error

• Error Type:

  PDOException

• Error Message:

  SQLSTATE[HY000] [2002] No such file or directory

• Error Code:

  2002

• File:

  */lib/system/database/MySQLDatabase.class.php (45)

• Stack Trace:

  • #0 */lib/system/database/MySQLDatabase.class.php (45):
  • PDO->__construct('[redacted]', '[redacted]', '[redacted]', '[redacted]')
  • #1 */lib/system/database/Database.class.php (119):
  • wcf\system\database\MySQLDatabase->connect()
  • #2 */lib/system/WCF.class.php (359):
  • wcf\system\database\Database->__construct('[redacted]', '[redacted]', '[redacted]', '[redacted]', '[redacted]')
  • #3 */lib/system/WCF.class.php (164):
  • wcf\system\WCF->initDB()
  • #4 */global.php (13):
  • wcf\system\WCF->__construct()
  • #5 */index.php (19):
  • require_once('*/global.php')

Final Error

• Error Type:

  wcf\system\database\exception\DatabaseException

• Error Message:

  Connecting to MySQL server 'localhost' failed

• Error Code:

  2002

• File:

  */lib/system/database/MySQLDatabase.class.php (65)

• Stack Trace:

  • #0 */lib/system/database/Database.class.php (119):
  • wcf\system\database\MySQLDatabase->connect()
  • #1 */lib/system/WCF.class.php (359):
  • wcf\system\database\Database->__construct('[redacted]', '[redacted]', '[redacted]', '[redacted]', '[redacted]')
  • #2 */lib/system/WCF.class.php (164):
  • wcf\system\WCF->initDB()
  • #3 */global.php (13):
  • wcf\system\WCF->__construct()
  • #4 */index.php (19):
  • require_once('*/global.php')