Hi Xing Le Lee - Thanks for reaching out over Q&A Forum.
Based on the exception 401 Unauthorized, usually this is caused by invalid credentials, please check your activity settings. To resolve this issue, make sure to pass the correct credentials in the activity settings.
Request you to please review the below documentation once:
Apart from this, you can also take a look at the below previous Q&A posts regarding similar error and action plans
Hope this helps!
Please let us know if you have any further queries. I’m happy to assist you further.
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