Max call stack size reached. Infinite recursion, Laravel 11, PHP 8.3

Hi,

just executded the regular "composer up" command on Laravel 11, PHP 8.3 and now facing:

Maximum call stack size of 8339456 bytes (zend.max_allowed_stack_size - zend.reserved_stack_size) reached. Infinite recursion?

  at vendor/laravel/framework/src/Illuminate/Container/Container.php:1570
    1566▕      * @return mixed
    1567▕      */
    1568▕     public function offsetGet($key): mixed
    1569▕     {
  ➜ 1570▕         return $this->make($key);
    1571▕     }
    1572▕
    1573▕     /**
    1574▕      * Set the value at a given offset.

      +22 vendor frames

  23  [internal]:0
      Illuminate\Foundation\Application::Illuminate\Foundation\{closure}()
      +5 vendor frames

  29  artisan:35
      Illuminate\Foundation\Console\Kernel::handle()

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

Already tried in php.ini with "zend.max_allowed_stack_size=-1" but no success

I have no clue what the cause is. I would be grateful for any hint - thank you!