WHMCS Tags troubleshooting-article Troubleshoot and resolve Application configuration file is not writable errors. You see a `Argument 7 passed to processPoppedTicket()` error in bounced support emails after performing a WHMCS software update. Troubleshoot and resolve Argument 1 passed must be an instance of PDOStatement errors. Troubleshoot and resolve failures when attempting to upload files to a support ticket. Troubleshoot and resolve Authentication failed errors while working with payment gateways. Troubleshoot and resolve The system prevented an autoresponder from opening a ticket. errors. Troubleshoot and resolve The system failed to fetch the packages.json file: the response was empty. Check your CDN connectivity. errors during unattended automatic updates. Troubleshoot and resolve an unattended automatic update that fails because the user under which WHMCS runs cannot write to or read a necessary file. Troubleshoot and resolve The version field is missing for <version> in the packages.json patches section errors during unattended automatic updates. Troubleshoot and resolve Version not found in packages.json patches section errors during unattended automatic updates. Troubleshoot and resolve issues that cause the system to disable automatic updates. Troubleshoot and resolve Bad User name or Password errors while using Enom for domain registration or SSL certificate sales. Troubleshoot and resolve Base table or view not found errors. Troubleshoot and resolve POS Token errors while using the BitPay payment gateway module. Troubleshoot and resolve the Action Required alert on the BitPay payment gateway module's settings. Troubleshoot and resolve a blank Admin Dashboard after an update. Troubleshoot and resolve issues with a blank Choose a Domain page in the Client Area. Troubleshoot and resolve Plesk blank command errors. Troubleshoot and resolve issues with domain search results that do not display in the Client Area. Troubleshoot and resolve issues with blank generated invoices.