I get the error message: "Fatal error: require_once() [function.require]: Failed opening required XYZ in /path/piwik/XYZ.php on line X". How can I get Matomo to work? FAQ - Troubleshooting

This error message means that PHP couldn’t include a file that Matomo (Piwik) requires. Please make sure all Matomo files are correctly uploaded on your server. You can reupload the missing files by looking at the error message, or reupload all Matomo files and try again: this should work!

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I get the error message: “Fatal error: require_once() [function.require]: Failed opening required XYZ in /path/piwik/XYZ.php on line X”. How can I get Matomo to work?

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