* [bug#52151,done,0.2h] fix bug.

module/execution/js/kanban.ui.js

@@ -109,6 +109,8 @@ window.buildColCardActions = function(col)
     let laneID  = 0;
     if($group.length) laneID = $group.find('.kanban-lane.is-first').attr('z-lane');
 
+    if(col.laneType == 'parentStory') return [];
+
     if(col.type == 'backlog')
     {
         if(priv.canCreateStory)

module/kanban/model.php

@@ -1405,7 +1405,7 @@ class kanbanModel extends model
 
                     if(empty($object)) continue;
                     if($cell->type == 'parentStory' && $object->isParent != '1') continue;
-                    if($cell->type == 'story' && $object->isParent == '1') continue;
+                    if($cell->type == 'story'       && $object->isParent == '1') continue;
 
                     $cardData = $this->kanbanTao->initCardItem($object, $cell, $order, $avatarPairs, $users);
                     $cardData['acl'] = 'open';

module/kanban/tao.php

@@ -479,7 +479,11 @@ class kanbanTao extends kanbanModel
                 }
             }
 
-            foreach($cols as $colIndex => $col) $cols[$colIndex]['cards'] = isset($columnCount[$col['id']]) ? $columnCount[$col['id']] : 0;
+            foreach($cols as $colIndex => $col)
+            {
+                $cols[$colIndex]['cards']    = isset($columnCount[$col['id']]) ? $columnCount[$col['id']] : 0;
+                $cols[$colIndex]['laneType'] = $lane['type'];
+            }
 
             $lanes = array_values($lanes);
             $laneCount += count($lanes);

module/story/model.php

@@ -3644,11 +3644,7 @@ class storyModel extends model
         global $app, $config;
         $action = strtolower($action);
 
-        if($action == 'subdivide')
-        {
-            if(helper::isAjaxRequest('modal')) return false;
-            $action = 'batchcreate';
-        }
+        if($action == 'subdivide') $action = 'batchcreate';
 
         if($action == 'recall')   return $story->status == 'reviewing' || $story->status == 'changing';
         if($action == 'close')    return $story->status != 'closed';