confirm-menu-name-3099361-2.patch

diff --git a/menu_svg_icons.module b/menu_svg_icons.module
index 7ff6e74..601d52f 100644
--- a/menu_svg_icons.module
+++ b/menu_svg_icons.module
@@ -232,6 +232,10 @@ function menu_svg_icons_preprocess_block(&$variables) {
  * Implements hook_preprocess_HOOK().
  */
 function menu_svg_icons_preprocess_menu(&$variables) {
+  // Make sure there is a menu_name key
+  if (!isset($variables['menu_name'])) {
+    return;
+  }
   /** @var \Drupal\menu_svg_icons\Entity\IconSetMenu $icon_set_menu_conf */
   if ($icon_set_menu_conf = IconSetMenu::load($variables['menu_name'])) {
     /** @var \Drupal\menu_svg_icons\IconSetInterface $icon_set */