Script @php artisan package:discover handling the post-autoload-dump event returned with error code 255

Question

I moved my project from desk to another.
When I run php artisan it does not work.

I tried to run composer update, but it returns the

Answer 1

I got the same problem in Win 8 and solve it:

Here is the steps.

Step-1: Go to your project directory

Step-2: And type command cd bootstrap/cache/

Step-3: Again type command del -rf *.php

Step-4: Update your composer composer update

Step-5: Now you are done: php artisan serve

Thanks.