Fatal error: Uncaught Error: Interface "Tomsgu\PdfMerger\Exception\PdfMergerExceptionInterface" not found in /var/www/html/includes/release/pdfmerger-050/vendor/tomsgu/pdf-merger/src/Exception/InvalidArgumentException.php:10 Stack trace: #0 {main} thrown in /var/www/html/includes/release/pdfmerger-050/vendor/tomsgu/pdf-merger/src/Exception/InvalidArgumentException.php on line 10