Could not verify these connected app details actually work. Could not authenticate [email protected] using connected app JWT {"summary":"Method Not Allowed","detail":"The HTTP method 'GET' is not supported for the given resource","code":"405000"}

[jtsai01-bsc]

The issue is that we got this error below when our Teams admin configure the Tableau app in his Microsoft Teams admin center.
Could not verify these connected app details actually work. Could not authenticate [email protected] using connected app JWT {"summary":"Method Not Allowed","detail":"The HTTP method 'GET' is not supported for the given resource","code":"405000"}

Tableau support provides me a Python script, ConnectedApp.py, to test the Tableau Cloud ConnectedApp, and the script returns the secret token.
C:\Users\jtsai01\Downloads\Tableau>python ConnectedApp.py
C:\Users\jtsai01\Downloads\Tableau\ConnectedApp.py:18: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
'exp': datetime.datetime.utcnow() + datetime.timedelta(minutes=5),
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Would you please help on guide us on how and where this 405000 error can be resolved.

Regards,
JinChong