Fatal error: Uncaught Error: Class 'Spipu\Html2Pdf\Tests\CrossVersionCompatibility\AbstractTestCase' not found in /home/cooplafobq/newplanning/vendor/spipu/html2pdf/Tests/AbstractTest.php:11 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/spipu/html2pdf/Tests/AbstractTest.php on line 11