From 1e60f940e4c0e318008529cad38b54a970135641 Mon Sep 17 00:00:00 2001
From: Bernd Bestel <bernd@berrnd.de>
Date: Fri, 15 Sep 2023 13:43:58 +0200
Subject: [PATCH] Properly handle empty select-multiple userfield (fixes #2339)

---
 changelog/74_UNRELEASED_xxxx-xx-xx.md      | 2 +-
 public/viewjs/components/userfieldsform.js | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/changelog/74_UNRELEASED_xxxx-xx-xx.md b/changelog/74_UNRELEASED_xxxx-xx-xx.md
index 184c1d57..39eced5f 100644
--- a/changelog/74_UNRELEASED_xxxx-xx-xx.md
+++ b/changelog/74_UNRELEASED_xxxx-xx-xx.md
@@ -46,7 +46,7 @@
 
 ### Userfields
 
-- xxx
+- Fixed that when having a userfield of type "Select list (multiple items can be selected)" and selecting no item, editing of the corresponding form was broken
 
 ### General
 
diff --git a/public/viewjs/components/userfieldsform.js b/public/viewjs/components/userfieldsform.js
index 4ab8c36b..7b2ff297 100644
--- a/public/viewjs/components/userfieldsform.js
+++ b/public/viewjs/components/userfieldsform.js
@@ -143,7 +143,11 @@ Grocy.Components.UserfieldsForm.Load = function()
 					}
 					else if (input.hasAttr("multiple"))
 					{
-						input.val(value.split(","));
+						if (value)
+						{
+							input.val(value.split(","));
+						}
+
 						$(".selectpicker").selectpicker("render");
 					}
 					else if (input.attr('type') == "file")