Fatal error: Uncaught Error: Interface "setasign\SetaPDF2\Core\Resource\ResourceInterface" not found in D:\Apache24\htdocs\vendor\setasign\setapdf-core\library\SetaPDF\Core\Document\OptionalContent\Group.php:33 Stack trace: #0 {main} thrown in D:\Apache24\htdocs\vendor\setasign\setapdf-core\library\SetaPDF\Core\Document\OptionalContent\Group.php on line 33