Fatal error: Uncaught Error: Class "setasign\SetaPDF2\Signer\Signature\Appearance\AbstractAppearance" not found in D:\Apache24\htdocs\vendor\setasign\setapdf-signer\library\SetaPDF\Signer\Signature\Appearance\XObject.php:30 Stack trace: #0 {main} thrown in D:\Apache24\htdocs\vendor\setasign\setapdf-signer\library\SetaPDF\Signer\Signature\Appearance\XObject.php on line 30