PowerShell Provisioning step had errors

I am trying to run below code as PowerShell provisioner inline but Packer throws error “Provisioning step had errors”


{
            "type": "powershell",
            "inline":[
                "$NewCert=New-SelfSignedCertificate -CertstoreLocation Cert:\\LocalMachine\\My -DnsName 'packer'",
                "New-Item -Path WSMan:\\LocalHost\\Listener -Transport HTTPS -Address * -CertificateThumbPrint $NewCert.Thumbprint -Force"

            ]
        }

At the end, I get this error message…

==> Some builds didn't complete successfully and had errors:
--> amazon-ebs: Error processing command: Error uploading ps script containing env vars: Error uploading file to $env:TEMP\winrmcp-9d237844-bb3d-4226-5149-8221a9f046b1.tmp: Couldn't create shell: http response error: 401 - invalid content type

==> Builds finished but no artifacts were created.

If I increase the logs then the screen is filled with invalid content type errors…

Error processing command: Error uploading ps script containing env vars: Error uploading file to $env:TEMP\winrmcp-9d237844-bb3d-4226-5149-8221a9f046b1.tmp: Couldn't create shell: http response error: 401 - invalid content type
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