From 198340eb2c5fce3fd45c7c709135e938bf54e127 Mon Sep 17 00:00:00 2001
From: rleroy <rleroy@clever-age.com>
Date: Thu, 13 Oct 2016 15:23:22 +0200
Subject: [PATCH] Fix error when no flat resources

Magento\Catalog\Model\Category::getChildren() returns a string of
comma-separated category ids. In order to get the category objects, the
method to use is ::getChildrenCategories().
---
 Block/Sidebar.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Block/Sidebar.php b/Block/Sidebar.php
index a30668b..f4d0fdf 100644
--- a/Block/Sidebar.php
+++ b/Block/Sidebar.php
@@ -194,7 +194,7 @@ public function getSubcategories($category)
             return (array)$category->getChildrenNodes();
         }
 
-        return $category->getChildren();
+        return $category->getChildrenCategories();
     }
 
     /**