artisan Specified key was too long; max key length is 767 code example

Example 1: schema error laravel

use Illuminate\Support\Facades\Schema;

public function boot()
{
    Schema::defaultStringLength(191);
}

Example 2: specified key was too long; max key length is 767 bytes (s

use Illuminate\Support\Facades\Schema;

public function boot()
{
    Schema::defaultStringLength(191);
}