Fatal error: Uncaught Error: Class "ZugferdDocumentBuilder" not found in /www/htdocs/w01dd2db/test.json-content-importer.com/wp-content/plugins/easy-einvoice/lib/extend-zugferd.php:2 Stack trace: #0 /www/htdocs/w01dd2db/test.json-content-importer.com/wp-content/plugins/easy-einvoice/easy-einvoice.php(31): require_once() #1 /www/htdocs/w01dd2db/test.json-content-importer.com/wp-settings.php(522): include_once('/www/htdocs/w01...') #2 /www/htdocs/w01dd2db/test.json-content-importer.com/wp-config.php(108): require_once('/www/htdocs/w01...') #3 /www/htdocs/w01dd2db/test.json-content-importer.com/wp-load.php(50): require_once('/www/htdocs/w01...') #4 /www/htdocs/w01dd2db/test.json-content-importer.com/wp-blog-header.php(13): require_once('/www/htdocs/w01...') #5 /www/htdocs/w01dd2db/test.json-content-importer.com/index.php(17): require('/www/htdocs/w01...') #6 {main} thrown in /www/htdocs/w01dd2db/test.json-content-importer.com/wp-content/plugins/easy-einvoice/lib/extend-zugferd.php on line 2