WHMCS Tags troubleshooting-article Troubleshoot and resolve The reset link you have followed is invalid errors. Troubleshoot and resolve last request failed: invalid SASL argument errors. Troubleshoot and resolve Google reCAPTCHA or hCaptcha® Invalid Site Key errors. Troubleshoot and resolve issues with The supplied VAT number is not valid errors while collecting Value-Added Tax (VAT) for the United Kingdom. Troubleshoot and resolve InvalidArgumentException: Data missing errors. Troubleshoot and resolve issues with missing taxes on invoices. Troubleshoot and resolve Fatal error: The file was encoded by... errors. Troubleshoot and resolve Site error: the ionCube PHP Loader needs to be installed. errors. Troubleshooting and resolving Key Generation Failed: (XID xxxxxx) You do not have the feature “sslmanager” errors while selling SSL certificates through WHMCS MarketConnect. Troubleshoot and resolve failing database backups for large WHMCS installations. Troubleshoot and resolve Failed to remove legacy modules errors. Troubleshoot and resolve Legacy Smarty Tags errors. Troubleshoot and resolve A license key is required. errors during installation. Troubleshoot and resolve cPanel & WHM or WP Squared server profile errors. Troubleshoot and resolve Invalid Key errors while using the Software Licensing addon. Troubleshoot and resolve the Software Licensing addon generating a new key with each request. Troubleshoot and resolve Remote Check Failed errors with the Software Licensing addon module. Troubleshoot and resolve Unable to accept the template: the following limitations are exceeded errors. Troubleshoot and resolve connection errors in Live Chat. Troubleshoot and resolve button and display issues in Live Chat.