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Editorial Team
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Asked: 2026-06-06T01:07:44+00:00

I’ve create an facebook app and it run smoothly at https://apps.facebook.com/icoloringstar/ But the problem

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I’ve create an facebook app and it run smoothly at
https://apps.facebook.com/icoloringstar/

But the problem is: when I search my app name “icoloring star” in facebook, it link to the app at url:
https://apps.facebook.com/icoloringstar/?fb_source=search&ref=ts

Then facebook said that:

App “iColoring Star” is unavailable
The app “iColoring Star” is temporarily unavailable due to an issue with its third-party developer. We are investigating the situation and apologize for any inconvenience.

We found that url part “ref=ts” cause above problem, but really do not know why?

Could you explain me why and how to resolve this problem?
Thank you very much.

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1 Answer

  1. Editorial Team

    It sounds like your code is failing when the ref parameter is supplied in the request path.
    I was able to repro this with any arbitrary value in the ref parameter when accessing your app

    • Check your server logs and and see if you’re returning a 500 error to facebook when the request comes in
    • See if you have any code that parses a ref parameter and check it’s not throwing exceptions
    • Make sure your callback URL in the app settings doesn’t also specify a ref parameter or your app may receive two values and/or fail entirely
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