How to fix "Fatal error: Interface

Is zendframework/zend-modulemanager in your composer.lock and in vendor/zendframework ?

  • Yes, it is.

Did you include __DIR__ . '/vendor/autoload.php somewhere at the startup of your application?

  • Yes, i did create the file as admin.php and previously tried with include __DIR__ . '/vendor/autoload.php - but was getting errors as below :

Warning : include(C:\xampp\htdocs\project\module\Admin/…/vendor/autoload.php): failed to open stream: No such file or directory in C:\xampp\htdocs\project\module\Admin\admin.php on line 18

Warning : include(): Failed opening ‘C:\xampp\htdocs\project\module\Admin/…/vendor/autoload.php’ for inclusion (include_path=‘C:\xampp\php\PEAR’) in C:\xampp\htdocs\project\module\Admin\admin.php on line 18

Not sure, how to go through…