fix

admin/main/submenu/null_table/index.php

@@ -11,9 +11,9 @@ require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_admi
  */
 $ormTable = resolve(NullTable::class);
 
-$tableAdminPage = new TableAdminPage($ormTable, $_REQUEST, '/bitrix/admin/bx_null.main.null_table_row.php');
+$tableAdminPage = new TableAdminPage($ormTable, $_REQUEST, '/bitrix/admin/bx_null.main.null_table.null_table_row.php');
 $tableAdminPage
-    ->checkPermission('bx.null')
+    ->checkPermission()
     ->start()
     ->show();