Fatal error: Uncaught Error: Class "DOMDocument" not found in /home/airtimer/public_html/vendor/vertexinc/module-tax/Test/Mftf/Data/generateTestCaseValues.php:678 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/vertexinc/module-tax/Test/Mftf/Data/generateTestCaseValues.php on line 678