WHMCS Tags troubleshooting-article Troubleshoot and resolve Could not instantiate mail function errors. Troubleshoot and resolve This license is already assigned to another service errors while working with the WebPros Partner addon module. Troubleshoot and resolve You cannot assign a license to this service as the product to which it is assigned does not have a configurable option for a cPanel license errors while working with the WebPros Partner addon module. Troubleshoot and resolve A license was deactivated on the same IP last month before billing could occur errors. Troubleshoot and resolve issues with missing IP addresses when you manage cPanel licenses using the WebPros Partner addon module. Troubleshoot and resolve A reactivation fee must be paid before a new license can be provisioned for that IP address. errors. Troubleshoot and resolve cPanel Licensing options of product are not set for this service errors. Troubleshoot and resolve system cron failures. Troubleshoot and resolve system cron invocation frequency warnings. Troubleshoot and resolve 403 Access Denied errors when invoking crons/cron.php over HTTP. Troubleshoot and resolve Could not open input file errors. Troubleshoot and resolve issues with the system cron job timing out during metrics polling. Troubleshoot and resolve issues with the cron job becoming stuck while executing the system queue. Troubleshoot and resolve issues with the time at which the system cron runs. Troubleshoot and resolve Curl Error - Couldn't connect to host (7) errors. Troubleshoot and resolve Curl Error - Couldn't resolve host (6) errors. Troubleshoot and resolve Curl Error - 28 connect() timed out errors. Troubleshoot and resolve Data Not Accepted errors. Troubleshoot and resolve InvalidArgumentException: Query string must not include a URI fragment errors. Troubleshoot and resolve Access Denied - You are not assigned to any ticket departments errors.