Fatal error: Uncaught Error: Class "Spipu\Html2Pdf\Tests\AbstractTest" not found in C:\xampp\htdocs\api_kpl\vendor\spipu\html2pdf\Tests\Image\BackgroundOkTest.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\api_kpl\vendor\spipu\html2pdf\Tests\Image\BackgroundOkTest.php on line 20