Coursera - Mediation and Security Lab - Error invalid credentials error

[#1]

trace-mediationsecuritylab.zip

@Sai Saran Vaidyanathan

After adding the AM-Set-Credentials policy, and adding the token to the policy, I am still getting the following error:

For some reason, I am unable to upload any pictures or .zip files. Something is wrong with this forum.

{
    "error": "invalid_credentials",
    "error_description": "Credentials not found.",
    "exception": ""
}