# Tracking Stopped Working

**URL:** <https://forum.mautic.org/t/tracking-stopped-working/22096>\
**Category:** Product Support\
**Created:** [December 20, 2021, 5:51pm UTC](https://forum.mautic.org/t/tracking-stopped-working/22096 "2021-12-20T17:51:16Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![mikew](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mikew/32/5156_2.png) [@mikew](https://forum.mautic.org/u/mikew)\
**Post date:** [December 20, 2021, 5:51pm UTC](https://forum.mautic.org/t/tracking-stopped-working/22096/1 "2021-12-20T17:51:16Z")

</div>

**Your software**  
My Mautic version is: 4.1.0  
My PHP version is: 7.4  
My Database type and version is:

**Your problem**  
My problem is:

We upgraded an instance of Mautic to 4.1.0 and everything was working the way it should. It worked for about a week or so and then all of a sudden tracking stopped working today.

I am not seeing anything in the mautic.error log. On the Wordpress side I am seeing a 500 error in the console:

 ![Screen Shot 2021-12-20 at 19.46.43](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/3/39f423bd4a68fdb22170209494f9425211f030eb.png)

I have CORS enabled and in the mautic.access log I see the following:

```auto
99.99.99.99 - - [20/Dec/2021:17:43:14 +0000] "GET /mtc.js HTTP/2.0" 200 100660 "https://domain.co.za/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36"

99.99.99.99 - - [20/Dec/2021:17:43:15 +0000] "OPTIONS /mtc/event HTTP/2.0" 204 0 "https://domain.co.za/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36"

99.99.99.99 - - [20/Dec/2021:17:43:15 +0000] "POST /mtc/event HTTP/2.0" 500 55197 "https://domain.co.za/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36"

99.99.99.99 - - [20/Dec/2021:17:43:15 +0000] "GET /mtracking.gif?page_title=Home%20-%20World%20Tour&page_language=en-US&preferred_locale=en_US&page_referrer=&page_url=https%3A%2F%2F domain.co.za%2F&counter=0&timezone_offset=-120&resolution=1920x1080&platform=MacOS&do_not_track=false&timezone=Asia%2FJerusalem HTTP/2.0" 500 65049 "https://domain.co.za/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36"

```

Steps I have tried to fix the problem:  
Tracking was enabled via WP plugin WP-Mautic. Also added the entire script to the header.  
Added index.php to the end of my mautic url  
chown -R www-data:www-data entire mautic directory  
cleared cache between each change of action

@robm

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<div class="post-metadata">

**Author:** ![mikew](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mikew/32/5156_2.png) [@mikew](https://forum.mautic.org/u/mikew)\
**Post date:** [December 22, 2021, 10:50am UTC](https://forum.mautic.org/t/tracking-stopped-working/22096/2 "2021-12-22T10:50:33Z")

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Does anyone have any ideas here ? could this be a CORS issue ? Any idea how to go about troubleshooting this ?

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<div class="post-metadata">

**Author:** ![robm](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/robm/32/260_2.png) [@robm](https://forum.mautic.org/u/robm)\
**Post date:** [December 23, 2021, 6:34am UTC](https://forum.mautic.org/t/tracking-stopped-working/22096/3 "2021-12-23T06:34:28Z")

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We never did figure this out but upgrading to the latest version did the trick.