Facebook URL Debug: Sorry, something went wrong. We're working on getting this fixed as soon as we can

facebook facebook-javascript-sdk facebook-social-plugins
user1447679 picture user1447679 · Jul 5, 2013 · Viewed 82.5k times · Source

https://developers.facebook.com/tools/debug

Does anyone know why "some" URLS get this error and others do not?

Error: Sorry, something went wrong. We're working on getting this fixed as soon as we can.

I apologize for the lack of detail on this. I can't post a link as of yet but hoping someone has experienced this issue and found a resolution. Paging through the FB help pages directed me to here as well and it seems difficult to find the right place to report the problem directly to FB. I'm finding a lot of similar posts on StackOverflow with similar issues but no clear answers.

Thank you in advance for any suggestions.

Answer

Mike S picture Mike S · Jun 9, 2017

I hit this because Facebook changed the rules for what an acceptable ?state parameter. I had % escape characters, and that appeared to no be illegal. I ended up moving my state to a query parameter on the redirect URL.

The specific rules are not actually documented: https://developers.facebook.com/docs/facebook-login/manually-build-a-login-flow

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