Seems to work fine here mate, make sure you're not hitting some throttling limit or similar. Are you getting it on all teams/channels? Can you try a different tenant?
Recent changes to MS Graph API
Deflaminis, Nicholas
0
Reputation points
We use graph API to interact with our Microsoft products. One of API Endpoint started to return 400 error message without explanation of the reason.
Deatails: Api: https://graph.microsoft.com/beta/teams/39b397a1-e975-4c0e-8569-e21552c236fd/channels/19:a6ea9a6bb44b4083b23762d3417d95e7@thread.skype/tabs?$expand=teamsApp Response: 400 "error": "code":"BadRequest", "message":"BadRequest", "innerError": "date":"2023-04-26T11:28:13", "request-id":"bbb8d01d-bff8-4fe6-b577-12f13cdd1049", "client-request-id":"393c553a-4c31-4c1a-8b6a-e31d35e9fbfc"
What is the reason of the error?