Fatal error: Class 'BaseMiddleware' not found in /home/magnus/projects/php-rack-extra/samples/common_dependencies.php on line 22

Call Stack:
    0.0011     359912   1. {main}() /home/magnus/projects/php-rack-extra/samples/basic/rackup.php:0
    0.0025     403032   2. require_once('/home/magnus/projects/php-rack-extra/samples/common_dependencies.php') /home/magnus/projects/php-rack-extra/samples/basic/rackup.php:8