Red warning while adding or modify tags: "Start date: The date '-0001-11-20' is before ...."

Tag Manager
1

Tag Manager at Matomo 3.12.0

Warning:

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Problem:

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Solution:

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Capture31527×1459 168 KB

(I am short in time, so ATM this screenshots only)

2

Hi,

This issue has been fixed in

If you can’t wait for the next release, you can manually apply the patch to the plugins/TagManager/Model/Tag.php:

diff --git a/Model/Tag.php b/Model/Tag.php
index a30b47a..c848acc 100644
--- a/Model/Tag.php
+++ b/Model/Tag.php
@@ -145,8 +145,8 @@ public function updateContainerTag($idSite, $idContainerVersion, $idTag, $name,
                 'fire_limit' => $fireLimit,
                 'fire_delay' => $fireDelay,
                 'priority' => $priority,
-                'start_date' => $startDate,
-                'end_date' => $endDate
+                'start_date' => empty($startDate) ? null : $startDate,
+                'end_date' => empty($endDate) ? null : $endDate,
             );
             $this->updateTagColumns($idSite, $idContainerVersion, $idTag, $columns);
         }