On the development environment, the application creates a file session in framework/sessions folder. However, on the production environment it's not writing to the framework/sessions folder. So I'm unable to log in to our application. Also, noticed that the 'storage/logs/laravel.log' is blank.
Unfortunately, my admin is stating that it's not a permission issue. I
@johnw65 Perhaps it's a permission problem in that sens that Laravel don't have the permission, but your admin has executed a script with the needed rights.