Warning: include(C:\Apache24\htdocs\drupal10\vendor\markbaker\complex\examples/../vendor/autoload.php): Failed to open stream: No such file or directory in C:\Apache24\htdocs\drupal10\vendor\markbaker\complex\examples\complexTest.php on line 5

Warning: include(): Failed opening 'C:\Apache24\htdocs\drupal10\vendor\markbaker\complex\examples/../vendor/autoload.php' for inclusion (include_path='.;C:\php\pear') in C:\Apache24\htdocs\drupal10\vendor\markbaker\complex\examples\complexTest.php on line 5
Create
Fatal error: Uncaught Error: Class "Complex\Complex" not found in C:\Apache24\htdocs\drupal10\vendor\markbaker\complex\examples\complexTest.php:9 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\drupal10\vendor\markbaker\complex\examples\complexTest.php on line 9