Fatal error: Uncaught Error: Class "DomDocument" not found in /home/airtimer/public_html/vendor/sebastian/global-state/tests/_fixture/SnapshotDomDocument.php:14 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/sebastian/global-state/tests/_fixture/SnapshotDomDocument.php on line 14