Syntax error or access violation: 1071 Specified key was too long; max key length is 3072 bytes (SQL: alter tabl e `system_revisions` add index `system_revisions_revisionable_id_revisionable_type_index`(`revisionable_id`, `revisionable_type`) code example

Example: Syntax error or access violation: 1071 Specified key was too long; max key length is 1000 bytes (SQL: alter table `users` add index `users_userable_type_userable_id_index`(`userable_type`, `userable_id`)

Update your /app/Providers/AppServiceProvider.php to contain:

use Illuminate\Support\Facades\Schema;

/**
 * Bootstrap any application services.
 *
 * @return void
 */
public function boot()
{
    Schema::defaultStringLength(191);
}