在Azure DevOps中进行部署时，为什么会收到“ InternalServerError”？

Question

我已经为Azure DevOps创建了一个免费试用帐户，并且正在遵循this tutorial为我的代码设置管道。

进入“配置Azure DevOps和Azure订阅”部分时，我单击“完成”，由于下面列出的错误，部署失败。

{ 
    "id": "/subscriptions/1863e18a-81cd-49ca-aa56-dd29e09f7aa/resourceGroups/VstsRG-[REMOVED]-0b4b/providers/Microsoft.Resources/deployments/Deploy_DevOps_Project_hello-world/operations/629ED8F75DE87BE8", 
    "operationId": "629ED8F75DE87BE8",
    "properties": 
     {
         "provisioningOperation": "Create", 
         "provisioningState": "Running", 
         "timestamp": "2019-09-03T21:44:36.1937569Z", 
         "duration": "PT15M53.2807456S", 
         "trackingId": "109e1d66-6d61-41c0-b67a-0dda7d8f74e4", 
         "statusCode": "InternalServerError", 
         "statusMessage": 
          {
              "code": "UnknownException",
              "message": "Unknown Exception", 
              "target": "<GetOrCreateBindPendingIdentity>g__ThrowWithTrace|7_0"
          },
         "targetResource": 
          {
              "id": "/subscriptions/1863e18a-81cd-49ca-aa56-edd29e09f7aa/resourceGroups/VstsRG-[REMOVED]-0b4b/providers/microsoft.visualstudio/account/[REMOVED]",
              "resourceType": "microsoft.visualstudio/account", 
              "resourceName": "[REMOVED]"
          }
     }
}