# How can I see the contact log, debuging it?

**URL:** <https://forum.mautic.org/t/how-can-i-see-the-contact-log-debuging-it/18547>\
**Category:** Development\
**Tags:** community\
**Created:** [March 12, 2021, 2:57pm UTC](https://forum.mautic.org/t/how-can-i-see-the-contact-log-debuging-it/18547 "2021-03-12T14:57:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![viniciusvicente](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/viniciusvicente/32/3051_2.png) [@viniciusvicente](https://forum.mautic.org/u/viniciusvicente)\
**Post date:** [March 12, 2021, 2:57pm UTC](https://forum.mautic.org/t/how-can-i-see-the-contact-log-debuging-it/18547/1 "2021-03-12T14:57:22Z")

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I’m getting some errors like 404, 401 and 410 during the campaign ![Screenshot](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/9/99f4779e93893a18355de1847b8af7a024fb4b38.png)

I would like to debug the code to see what is happening that is causing the errors. Does anyone knows how I do that?

Thank you

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**Author:** ![joeyk](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/joeyk/32/11164_2.png) [@joeyk](https://forum.mautic.org/u/joeyk)\
**Post date:** [March 12, 2021, 4:42pm UTC](https://forum.mautic.org/t/how-can-i-see-the-contact-log-debuging-it/18547/2 "2021-03-12T16:42:01Z")

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You need to simulate the webhook and see the result.  
But in this case you have a 404, so your webhook URL is not okay.