Errors with "Forbidden" and "Failed to execute Skype backend request GetThreadS2SRequest." by using API to get teams filesfolder.

Question

I got the following error when I hit the API for the filesFolder in teams.

I looked at the FAQ but could not find the exact answer.

https://graph.microsoft.com/v1.0/teams/{}/channels/{}/filesFolder

403 Forbidden
innerError":{"message":"Failed to execute Skype backend request GetThreadS2SRequest.","code":"AccessDenied"}

Background information is as follows.

• We have been using Microsoft office365 for a long time.
• The scope is as follows

"offline_access user.read team.readbasic.all channel.readbasic.all channelmessage.read.all files.read.all chat.read chatmember.read chatmessage.read group.read.all sites.read.all"

Thank you for your answer.

Answer 1

Hello ZEROdcFRAME,

Thank you for reaching out to Microsoft Support!

According to your error message, the fault may be caused by a fault on the back-end server. After the query, it is found that similar problems have occurred before, and the fault is caused by the server. Therefore, you are advised to get help from the server for opening a ticket.

Hope this helps.

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