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

Hello everybody/ hello world. I solved my problem that way:

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I deleted my project I created a new folder and cloned the repository again and after that I gave composer install / update

good luck.