Troubleshooting for specific Joomla problems and error messages, from database connection issues to email delivery and PHP version requirements.

  • Assorted Issues – A grab bag of known Joomla 4 issues: a redirect bug, gzip-related styling problems, empty module lists from a MySQL buffer issue, and articles going missing after a database import.
  • Database Connection – Troubleshooting the "Unable to connect to the database" error: checking your credentials in configuration.php, and the three most common causes.
  • Database Table Structure – Fixing a database table structure error some encounter when updating to Joomla 4, caused by an empty #__schemas table.
  • FatalError – Using debug mode to see the error stack trace behind a fatal error, track down the faulty extension, and get your site running again.
  • Local Host Email – Getting a locally hosted Joomla site's email working when your ISP blocks the usual mail port, by switching to your ISP's SMTP server.
  • Unsupported PHP Version – Resolving the "Unsupported PHP Version" installation error by updating PHP through your host's control panel or your local development tools.