From 67eb4c1e906b9021735d8d23437c355f7d94449a Mon Sep 17 00:00:00 2001
From: raviks789 <33730024+raviks789@users.noreply.github.com>
Date: Tue, 19 Apr 2022 15:33:09 +0200
Subject: [PATCH] Prevent inserting blank entries for extensible data list.

---
 library/Director/DataType/DataTypeDatalist.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/Director/DataType/DataTypeDatalist.php b/library/Director/DataType/DataTypeDatalist.php
index 5c5d72dc3..354c7c377 100644
--- a/library/Director/DataType/DataTypeDatalist.php
+++ b/library/Director/DataType/DataTypeDatalist.php
@@ -59,7 +59,9 @@ public function getFormElement($name, QuickForm $form)
 
                 $db = $form->getDb();
                 foreach ($value as $entry) {
-                    $this->createEntryIfNotExists($db, $listId, $entry);
+                    if ($entry !== '') {
+                        $this->createEntryIfNotExists($db, $listId, $entry);
+                    }
                 }
             });
         }