https://docs.whmcs.com/9-1/tags/file-and-encoding-errors/Recent content in file-and-encoding-errors onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/corrupt-file-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/corrupt-file-errors/Covers the “The file /path/to/whmcs/index.php is corrupted” error caused by an outdated ionCube Loader version or a modified/unreadable file, with steps to update ionCube Loader via WHM’s EasyApache4 PHP Extensions and to re-upload a fresh Full Release copy of the affected file.https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/failed-opening-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/failed-opening-errors/Resolves the Oops! error “main(): Failed opening required ‘/path/to/whmcs/filename.php’” caused by a missing required file, by uploading the missing file from a Full Release download and re-uploading all WHMCS files to catch any other gaps.https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/file-cannot-be-decoded-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/file-cannot-be-decoded-errors/Fixes the “…encoded as type [1/71] cannot be decoded by this version of the ionCube Loader” error, typically seen after a PHP upgrade, by deleting the incompatible file (for example a gateway module file) and reloading the page, repeating for each reported file, or scanning for incompatible files via PHP Version Compatibility.https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/file-not-found-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/file-not-found-errors/Diagnoses “File Not Found” errors caused by a missing or inaccessible file in local or remote storage, with steps to verify the file exists, check its permissions, confirm Amazon S3 key storage, and use the Test Configuration feature in Storage Settings.https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/impossible-root-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/general-troubleshooting/impossible-root-errors/Resolves the “League\Flysystem\Exception: Impossible to create the root directory” error, common after moving a self-hosted install, caused by WHMCS being unable to read or write the email attachment storage location, by testing each configuration under Storage Settings and switching Client Files, Email Attachments, and Ticket Attachments to a corrected path.