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Approval email : "The requested action could not be completed"

I created a basic flow that would send an approval email when a new item is added to my custom list in sharepoint. 


But although I tried to create several list I keep getting an error when I press the approve or reject button in the email. 


In outlook online i get "The action could not be completed."


If I click the link in Outlook 2017 I get 

{ "statusCode": 500, "message": "Internal server error", "activityId": "896cb46c-13ee-43e7-a4e1-fc4bd67aed15" }


Does anyone know why this is happening ?  


Hi @v-yamao-msft, It works now. Thanks for your assitance!



@v-yamao-msft Thanks  for now it is working, but don't know for howlong will it be work Man Frustrated  

Kudo Collector
Kudo Collector

Hi All,


all working again our end too





Frequent Visitor

Yes approval flow working fine.



Community Support
Community Support

Hi All,


Thanks you for the feedback.
I am glad to hear that it is working for you now.


What's the current status on your side?
Is it working for you now?

Best regards,
Mabel Mao


Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Hello Mabel, 


It is working on my side too now,


Thank you all for the help


Kind regards,


Frequent Visitor

So the problem is solved.. Man Happy  You could mark this discussion as solved.

Frequent Visitor

This issue has started happening again for me as of May 31st.


Please advise

Frequent Visitor

This bug disappeared June 1st.

It seems to only occur on the 31st of the month.

Frequent Visitor

I am seeing this issue with a single user in our environment.  What exactly is the issue?  Looks like the above string states this is a bug that has been fixed.  However, I'm running into the same issue but only with a single user.  Any ideas?

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