fix

admin/main/submenu/item1/config.php

@@ -0,0 +1,30 @@
+<?php
+
+use Wt\Core\Admin\SiteSettingsAdminPage;
+
+IncludeModuleLangFile(__FILE__);
+
+/**
+ * @var $this SiteSettingsAdminPage
+ */
+
+return array(
+    'MAIN' => array(
+        'TITLE' => 'Общие сведения',
+        'OPTIONS' => array(
+
+        ),
+    ),
+    'DOCS' => array(
+        'TITLE' => 'Docs',
+        'OPTIONS' => array(
+            'DOCUMENTATION' => array(
+                'TITLE' => 'Documentation',
+                'TYPE' => 'content',
+                'INCLUDEFILE' => \Wt\Core\Tools::removeDocRoot(__DIR__ . '/include/documentation.php'),
+                'SHOW_EDIT_BUTTON' => 'Y',
+                'DEFAULT' => '',
+            ),
+        ),
+    ),
+);

admin/main/submenu/item1/include/documentation.php

@@ -0,0 +1 @@
+Документация

admin/main/submenu/item1/index.php

@@ -0,0 +1,18 @@
+<?php
+
+
+use Wt\Core\Admin\TableAdminPage;
+
+
+require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_admin_before.php');
+
+
+CJSCore::Init('jquery');
+CAjax::Init();
+
+require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_admin_after.php");
+
+$adminPage = new \Wt\Core\Admin\SiteSettingsAdminPage('bx.null', 'main.item1');
+$adminPage->render();
+
+require($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/epilog_admin.php');

admin/main/submenu/item1/lang/ru/index.php

@@ -0,0 +1,2 @@
+<?
+$MESS['CONTEXT_PROFILE_DELETE_CONFIRM'] = 'Удалить %s?';

admin/main/submenu/item1/menu.php

@@ -0,0 +1,11 @@
+<?php
+
+use \Bitrix\Main\Localization\Loc;
+use Wt\Core\Admin\GlobalMenuItem;
+
+Loc::loadMessages(__FILE__);
+
+return (new GlobalMenuItem())
+    ->setSort(5)
+    ->setTitle('Создание CML')
+    ->setUrl();