Index: core/units/categories/categories_event_handler.php
===================================================================
--- core/units/categories/categories_event_handler.php
+++ core/units/categories/categories_event_handler.php
@@ -2359,6 +2359,7 @@
 				return;
 			}
 
+			$files = $this->sortByDependencies($files);
 			kUtil::setResourceLimit();
 
 			/** @var CategoriesItem $dummy */
@@ -2388,6 +2389,40 @@
 		}
 
 		/**
+		 * Sort structure files array by dependencies.
+		 *
+		 * @param array $files Files.
+		 *
+		 * @return array
+		 */
+		protected function sortByDependencies(array $files)
+		{
+			foreach ( $files as $template => $data ) {
+				$meta = unserialize($data['FileMetaInfo']);
+				$section = isset($meta['section']) ? $meta['section'] : '';
+				$page_name = isset($meta['name']) ? $meta['name'] : '_Auto: ' . $template;
+				$files[$template]['sort_key'] = $section . '||' . $page_name;
+			}
+
+			uasort($files, array($this, 'compareSMSTemplates'));
+
+			return $files;
+		}
+
+		/**
+		 * Files array comparing.
+		 *
+		 * @param array $sms_template_a First item.
+		 * @param array $sms_template_b Second item.
+		 *
+		 * @return integer
+		 */
+		public function compareSMSTemplates(array $sms_template_a, array $sms_template_b)
+		{
+			return strcmp($sms_template_a['sort_key'], $sms_template_b['sort_key']);
+		}
+
+		/**
 		 * Processes OnMassMoveUp, OnMassMoveDown events
 		 *
 		 * @param kEvent $event