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

Example 1: Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 1

"extra": {
    "laravel": {
        "dont-discover": [
            "laravel/dusk"
        ]
    }
},

and also do composer update

Example 2: Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 1

Run composer update