Warning: require_once(vendor/autoload.php): Failed to open stream: No such file or directory in C:\laragon\www\ado365n\vendor\widmogrod\php-functional\example\ComplexErrorDrivenDevelopmentTest.php on line 4

Fatal error: Uncaught Error: Failed opening required 'vendor/autoload.php' (include_path='.;C:/laragon/etc/php/pear') in C:\laragon\www\ado365n\vendor\widmogrod\php-functional\example\ComplexErrorDrivenDevelopmentTest.php:4 Stack trace: #0 {main} thrown in C:\laragon\www\ado365n\vendor\widmogrod\php-functional\example\ComplexErrorDrivenDevelopmentTest.php on line 4