From ebef99ccf687fc0c43c27498f50aad022ba637f7 Mon Sep 17 00:00:00 2001
From: tanghucheng <tanghucheng@easycorp.ltd>
Date: Thu, 10 Feb 2022 14:52:21 +0800
Subject: [PATCH] * Fix bug.

---
 module/kanban/model.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/module/kanban/model.php b/module/kanban/model.php
index 307d5740c7..65de5fea37 100644
--- a/module/kanban/model.php
+++ b/module/kanban/model.php
@@ -110,6 +110,8 @@ class kanbanModel extends model
             $copyColumnGroup = $this->getColumnGroupByRegions($copyRegionID, 'id_asc');
 
             /* Create groups, lanes, and columns. */
+            if(empty($copyGroups)) return $regionID;
+
             foreach($copyGroups[$copyRegionID] as $copyGroupID => $copyGroup)
             {
                 $newGroupID = $this->createGroup($kanban->id, $regionID);