Why Flurry Analytics said "NO DATA"? - flurry

When I accessed Flurry Analytics on April 28th, it said there was "NO DATA", and I was unable to check the log.
I tried using several different accounts but the situation was the same.
After that I tried again using the same method on April 30th and was able to check the log as usual.
I would like you to advise why I was unable to see any data on April 28th, and if there is going to be any periodical maintenance etc. in the future.
Thank you in advance.

This was the result of an outage due to code released the previous day causing the event logs to be inaccessible for approximately 18 hours. We do not expect any reoccurrence of this issue.

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Excerpt from Conversation with Azure Support
This is bug with portal, which is causing to show these error messages.This has nothing to do with Availability of database..
this will be fixed soon
In Mail :
As discussed the error messages that you saw are due to a known Bug in Azure Postal which should be fixed soon.
Thank you for your time on the phone. It was my pleasure to work with you on this issue.
As agreed over call this support incident will now be archived. If you have further problems within the scope of this issue, please do reopen the support case.

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