php artisan package:discover --ansi

Illuminate\Foundation\ComposerScripts::postAutoloadDump @php artisan package:discover --ansi

In RegisterProviders.php line 52:

class_exists(): Argument #1 ($class) must be of type string, array given

Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 1.
I get this error massage in my laravel 11 project but RegisterProviders.php did not exist in laravel 11. How to solve this problem?