Unable to set permissions to use Azure lab services REST API

Question

Hello,

I have created a lab plan and made the lab available using Azure's Lab Services API. Then, I created a token, but it didn't work for me. It returned the following message:

{

    "error": {

        "code": "AuthorizationFailed",

        "message": "The client 'my-id' with object id 'my-id' does not have authorization to perform action 'Microsoft.LabServices/labPlans/read' over scope '/subscriptions/my-id/resourceGroups/Spacebank-dev/providers/Microsoft.LabServices/labPlans/Spacebank-CNU-test' or the scope is invalid. If access was recently granted, please refresh your credentials."

    }

}

I followed the documentation with these steps:

1. Login to Azure Portal.
2. Select "Azure Active Directory" > "Application Registrations" in the left menu.
3. Select the app.
4. Click on the "API permissions" tab and the "Add a permission" button.
5. Select the "Microsoft APIs" tab, and if Lab Services is not listed, navigate to "All APIs" and search for or type in "Microsoft.LabServices" to add it.

However, I couldn't find a permission related to lab services in any of the items. Is there another way to proceed or something I may have missed?

Thank you for your assistance.