Error in Log

Your software
My PHP version is : 7.4.23
My MySQL/MariaDB version is (delete as applicable): MySQL/MariaDB version

Updating/Installing Errors
I am (delete as applicable): Installing / Updating
Upgrading/installing via (delete as applicable) : Web / Command Line

These errors are showing in the installer :

These errors are showing in the Mautic log :

[2021-09-16 16:26:27] mautic.ERROR: Invalid clickthrough value: Yjo4OntmOjk6ImZiaGVkZiI7Yjo1Ont2OjM7Zjo0NzoiZGJ6Y2J2dGEuZmlmYWciO3Y6NDt2OjcyMTt9Zjo4OiJmemJ2eSI7djo4NTtmOjc6ImZnYmciO2Y6NTU6Ijk0NzYwMzRjOWVkODU3Mzc4NTQ2MTYiO2Y6NzoieWZiZSI7Zjo5OiI1NjUxNTUiO2Y6MDoiZHViYWFmeSI7Yjo0OntmOjg6ImZ6YnZ5Ijt2Ojg1O319 {“exception”:"[object] (Mautic\CoreBundle\Exception\InvalidDecodedStringException(code: 0): The string b:8:{f:9:“fbhedf”;b:5:{v:3;f:47:“dbzcbvta.fifag”;v:4;v:721;}f:8:“fzbvy”;v:85;f:7:“fgbg”;f:55:“9476034c9ed85737854616”;f:7:“yfbe”;f:9:“565155”;f:0:“dubaafy”;b:4:{f:8:“fzbvy”;v:85;}} is not a serialized array at /var/www/vhosts/posta.thepulso.com/httpdocs/app/bundles/CoreBundle/Helper/ClickthroughHelper.php:46)"}

Your problem
My problem is :
I have that error on the Log and how to fix it after updating to 4.0.0

Steps I have tried to fix the problem :
I’ve already cleaned Caché and update the Schema.

Here is a PR which should address that issue:

Please test and if it fixes the issue, leave a comment on the pull request!

I can confirm this is still an issue with Mautic 4.4.x

There’s an open issue on Github, please guys go there and report your case if you have a couple minutes to spare…