Fatal error: Uncaught Error: Class "chillerlan\QRCodeTest\Output\QROutputTestAbstract" not found in C:\Apache24\htdocs\cms_upgrade\vendor\chillerlan\php-qrcode\tests\Output\QRMarkupTest.php:21
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\cms_upgrade\vendor\chillerlan\php-qrcode\tests\Output\QRMarkupTest.php on line 21