Cannot Start Default Streaming Endpoint.

Question

While attempting to follow this quickstart. https://learn.microsoft.com/en-us/azure/media-services/latest/live-event-obs-quickstart#run-the-default-streaming-endpoint

I found that the default streaming endpoint fails when I attempt to start it as shown in the attached image. Additionally, I noticed the following error message in the console.

{
"resourceUri": "https://management.azure.com/subscriptions/xxxxxxxxxxxxxxxx6a44/resourcegroups/omscs-theater/providers/Microsoft.Media/mediaservices/omscstheaters/streamingendpointoperations/14f5b87b-c14f-4b3b-a923-6dd23cac0d9b?api-version=2021-06-01",
"response": null,
"status": 200,
"code": "InternalError",
"rawError": {
"code": "InternalError",
"message": null,
"target": "f9d682c6-6e59-0f9c-06d2-3ea40668342d"
}
}