troubleshooting

Troubleshoot and resolve blank or partially-rendered pages after an update.

Troubleshoot and resolve blank payment gateway pages.

Troubleshoot and resolve issues with broken domain renewal links in emails.

Troubleshoot and resolve issues with domain renewal invoices that the system has set to Cancelled.

Troubleshoot and resolve Cannot connect to host errors.

Troubleshoot and resolve Captcha verification failed. errors for hCaptcha® and Google® reCAPTCHA v3.

Troubleshoot and resolve A Certificate Authority verified SSL certificate was not detected errors.

Troubleshoot and resolve curl: (51) SSL: certificate subject name '*.whmcs.com' does not match target host name errors.

Troubleshoot and resolve incorrect display of accented (Unicode) characters.

Troubleshoot and resolve Check for Updates Failed errors.

Troubleshoot and resolve problems with incorrect or missing text in the primary navigation bar and sidebar menu items.

Troubleshoot and resolve Unable to create hosting. IP address does not exist in client's pool errors.

Troubleshoot and resolve warnings about Cloudflare® trusted proxies.

Troubleshoot and resolve Column 'group_id' cannot be null errors.

Troubleshoot and resolve MySQL Error Code 1142 - Command denied to user errors.

Troubleshoot and resolve Gateway Module Error: Configuration Function (_config) not found errors.

Troubleshoot and resolve Connection refused errors.

Troubleshoot and resolve The file is corrupted. errors.

Troubleshoot and resolve Could not connect to database errors.

Troubleshoot and resolve Could not instantiate mail function errors.