Warning: include(E:\laragon\www\pos\vendor\markbaker\complex\examples/../vendor/autoload.php): Failed to open stream: No such file or directory in E:\laragon\www\pos\vendor\markbaker\complex\examples\complexTest.php on line 5

Warning: include(): Failed opening 'E:\laragon\www\pos\vendor\markbaker\complex\examples/../vendor/autoload.php' for inclusion (include_path='.;E:/laragon/etc/php/pear') in E:\laragon\www\pos\vendor\markbaker\complex\examples\complexTest.php on line 5
Create
Fatal error: Uncaught Error: Class "Complex\Complex" not found in E:\laragon\www\pos\vendor\markbaker\complex\examples\complexTest.php:9 Stack trace: #0 {main} thrown in E:\laragon\www\pos\vendor\markbaker\complex\examples\complexTest.php on line 9