# mautic.ERROR: Invalid clickthrough value:

**URL:** https://forum.mautic.org/t/mautic-error-invalid-clickthrough-value/15833
**Category:** Mautic 3 - Install/Upgrade Support
**Created:** [August 27, 2020, 1:07pm UTC](https://forum.mautic.org/t/mautic-error-invalid-clickthrough-value/15833 "2020-08-27T13:07:28Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![Yosu\_Cadilla](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/yosu_cadilla/32/6206_2.png) [@Yosu\_Cadilla](https://forum.mautic.org/u/Yosu_Cadilla)
#### Post date: [February 21, 2023, 7:14am UTC](https://forum.mautic.org/t/mautic-error-invalid-clickthrough-value/15833/8 "2023-02-21T07:14:21Z")

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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…

> <https://github.com/mautic/mautic/issues/6775>
>
> \[//\]: # ( Invisible comment: 
> IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII…I
> Before you create the issue:
> IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
> Search for similar report among other reported issues.
> Learn how to troubleshoot at https://www.mautic.org/docs/en/tips/troubleshooting.html
> Use drag&drop to attach images or other files )
> 
> \## Bug Description
> After sending emails that contains tracked links I often see such error messages in the log.
> 
> Not all clicks end up in errors like this. So far I could not figure out what leads to this kind of clickthrough error.
> Mautic is behind proxy, runs in docker container
> Locale is set to hungarian UTF-8
> 
> 
> | Q | A
> | --- | ---
> | Mautic version | 2.14.1
> | PHP version | 7.0.28
> | Browser | Firefox 62.0.3
> 
> \### Steps to reproduce
> 1. Create segment mail with tracked link
> 2. Send mail to multiple recipients
> 3. Wait for incoming clicks
>  
> \### Log errors
> \`\[2018-10-15 14:49:21\] mautic.CRITICAL: Uncaught PHP Exception InvalidArgumentException: "The string ,f.&..U"0U{,f....{f.
> ..{.f.lzfj{z.f0.n...lzfj{f.4W.&..e.u/6t..ug.dd..dg.t.dtW.&..W92,..vz..ddd.dcW.&. zW0.,.a0..dzdg;f...{.f.h=
> = is not a serialized array." at /var/www/html/app/bundles/CoreBundle/Helper/ClickthroughHelper.php line 42 \[\]\`
> 
> \[//\]: # ( Invisible comment:
> Please check for related errors in the latest log file in \[mautic root\]/app/log/ and/or the web server's logs and post them here. Be sure to remove sensitive information if applicable. )

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