Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/lcanetwork/public_html/qr/vendor/chillerlan/php-qrcode/tests/QRCodeReaderTestAbstract.php:25 Stack trace: #0 {main} thrown in /home/lcanetwork/public_html/qr/vendor/chillerlan/php-qrcode/tests/QRCodeReaderTestAbstract.php on line 25