From 4952c95c33fb2d7412d92cad2e20b3a1175a5666 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Fri, 15 Jan 2021 16:51:34 +1100
Subject: [PATCH] Extra check to prevent JS crash

---
 InvenTree/InvenTree/static/script/inventree/tables.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/InvenTree/InvenTree/static/script/inventree/tables.js b/InvenTree/InvenTree/static/script/inventree/tables.js
index 4d868f94b4..ef17d91015 100644
--- a/InvenTree/InvenTree/static/script/inventree/tables.js
+++ b/InvenTree/InvenTree/static/script/inventree/tables.js
@@ -154,7 +154,7 @@ $.fn.inventreeTable = function(options) {
         // Which columns are currently visible?
         var visible = table.bootstrapTable('getVisibleColumns');
 
-        if (visible) {
+        if (visible && isArray(visible)) {
             visible.forEach(function(column) {
     
                 // Visible field should *not* be visible! (hide it!)