WHMCS Tags unattended-automatic-updates 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. Recover from an unattended automatic update that permanently fails after the system exhausts its retry attempts.