Fatal error: Uncaught Error: Class "HtaccessCapabilityTester\Testers\AbstractTester" not found in /var/www/html/app/plugins/webp-express/vendor/rosell-dk/htaccess-capability-tester/src/Testers/CustomTester.php:12 Stack trace: #0 {main} thrown in /var/www/html/app/plugins/webp-express/vendor/rosell-dk/htaccess-capability-tester/src/Testers/CustomTester.php on line 12