fix slider

app/modules/slider/SliderModule.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace app\modules\slider;
+
+use kernel\Module;
+use kernel\modules\menu\service\MenuService;
+use kernel\services\MigrationService;
+
+class SliderModule extends \kernel\app_modules\slider\SliderModule
+{
+
+}