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Facebook conversion API errors and how to fix it

Ivanna Holubovska

Ivanna Holubovska

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Updated
Oct 24, 2022
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Setting up the Facebook conversion API may be confusing. But after you did the tremendous job of moving FB tracking to the server and hope that everything is ok, you might log in to your events manager the next day and see red and yellow warnings for the events sent from the server. 

I've faced this problem many times while setting up FB CAPI for clients. So I decided to create an article with some helpful tips. In this blog post, I will describe the most popular Facebook conversion API errors and warnings. Plus, share some tips on how to fix them. 

How to check if there are any Facebook pixel or Conversion API errors

Facebook's Events Testing Tool is a powerful new tool that allows you to debug and resolve issues with your FB pixels or server events. If there are errors, they will be displayed in the Diagnostics tab on the toolbar so you can review them more closely. 

Errors marked red usually require a quick reaction and should be fixed right away. The yellow errors are non-critical warnings you should pay attention to and look into eventually.

Facebook allows to mark issues as resolved or ignore them. If you mark an error as resolved and this error repeats, Facebook will show it again in 3 days. In comparison, the ignored problems go to the Ignored section and stay there. 

When you fix any issues with your FB tracking, I suggest marking them as resolved. This way, you will notify Facebook that the problems were fixed, and you will hear from the platform if these issues repeat. 

author

Ivanna Holubovska

Author

Content contributor at Stape.io, focusing on server-side tracking, digital marketing, and innovative solutions to optimize online business performance. optimize online business performance.

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