I have the same problem as posted below from an online source I found in searching with the error code.

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gloriamarohl

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4 tries with Microsoft support have not fixed this. They do not have a clue. My problem is exactly like the post below. Help, please. Posted 29 June 2023 - 08:16 PMOn trying to open any news item from the "notification" column at right of my screen, I am now instead confronted only with a display that appears as follows: <begin quote>{"title":"Failed to forward request through Maestro.","status":404,"detail":"2023-06-30T00:25:41.3247618Z - Request host is not accepted for any route. ","instance":"urn:microsoft:error:0HMR708N6J5M4:00000003","extensions":{}}<end quote>&nbs

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