Getting "The specified connection token does not exist." error for Facebook login

We have implemented the Facebook login in our Angular site using the Javascript SDK. When the Facebook login is triggered it redirects to the callback.php script where we connect to the Oneall API.
But sometimes we get 404 error saying "The specified connection token does not exist." for the same Facebook account. In most cases it works fine.


  • Hi,
    Facebook API is not totally reliable.
    However, it could also indicate a problem somewhere:
    - which events are you using?
    - do you see any errors in the JS browser console?



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