Artikelen

 403 Forbidden Error

Fix: Permissions. Folders 755, Files 644. Check .htaccess deny rules.

 500 Internal Server Error

Fix: Check error_log. Often syntax errors in PHP or .htaccess.

 550 No Such User Here

Fix: Typo in email address. Or Local/Remote mail routing issue in Email Routing.

 Account Suspended

Fix: Check Unpaid Invoices. Check Bandwidth Usage.

 Cron Job Not Running

Fix: Use absolute paths: /usr/bin/php /home/user/public_html/cron.php.

 DNS Server Not Found

Fix: If new domain, wait 24h for propagation. Check Nameservers.

 Email Quota Exceeded

Fix: Delete mail or SPanel > Email Accounts > Change Quota.

 Error Establishing DB Connection

Fix: Check wp-config.php DB_USER, DB_PASSWORD, DB_NAME matches SPanel > MySQL Databases.

 FTP 530 Login Incorrect

Fix: Username format is usually user@domain.com, not just user.

 FTP Timed Out

Fix: Switch FileZilla Simple/Passive mode. Check Encryption settings.

 Lets Encrypt Validation Failed

Fix: Domain must point to server IP before requesting cert.

 ModSecurity 406 Error

Fix: Disable ModSecurity for that domain in SPanel temporarily.

 MySQL Access Denied

Fix: Add User to Database in SPanel MySQL section. Grant All Privileges.

 Outlook Connection Failed

Fix: Use SSL/TLS. IMAP: 993. SMTP: 465. Username is full email.

 PHP Memory Exhausted

Fix: SPanel > PHP Manager > Edit INI > Increase memory_limit to 256M.

 SSL Not Secure warning

Fix: Forced HTTPS (Redirection). Check for mixed content (http images on https site).

 Slow Loading (TTFB)

Fix: Enable Caching. Optimize Images. Check usage stats.

 SpamAssassin Blocking Good Mail

Fix: Allow list the sender. Increase required score to 7 or 8.

 Subdomain 404

Fix: Check Document Root path in SPanel > Subdomains.

 White Screen of Death

Fix: Enable debug mode. Define WP_DEBUG true in wp-config.php.