Fatal error: Uncaught Error: Class "mikehaertl\shellcommand\Command" not found in /home/feham/public_html/sub/work.feham.ir/PDF/vendor/mikehaertl/phpwkhtmltopdf/src/Command.php:15 Stack trace: #0 {main} thrown in /home/feham/public_html/sub/work.feham.ir/PDF/vendor/mikehaertl/phpwkhtmltopdf/src/Command.php on line 15