Tsql Power Automation-执行存储过程（V2）-始终返回HTTP错误400

我在Azure SQL server上有以下存储过程：

ALTER PROCEDURE [dbo].[UpsertBuildDefinitions] (@Id int, @Name nvarchar(max), @Url nvarchar(max), @Revision int)
AS
BEGIN
    SET NOCOUNT ON
    SET IDENTITY_INSERT [dbo].[BuildDefinitions] ON

    IF EXISTS (SELECT * FROM [dbo].[BuildDefinitions] WHERE [Id] = @Id)
        UPDATE [dbo].[BuildDefinitions]
           SET [Name] = @Name,
                [Url] = @Url,
                [Revision] = @Revision
         WHERE Revision != @Revision;
 
    ELSE 
        INSERT INTO [dbo].[BuildDefinitions] ([Id], [Name], [Url], [Revision])
        VALUES (@Id, @Name, @Url, @Revision);

    SET IDENTITY_INSERT [dbo].[BuildDefinitions] OFF
END

在Power Automation（Microsoft Flow）中，我通过以下输入调用它：

我得到以下输出：

以文本形式输出：

{
  "status": 400,
  "message": "Invalid connection settings\r\n     inner exception: Not a valid data source.\r\nclientRequestId: c93ceeb5-dc4f-4a13-865d-abcfc51a17e9",
  "error": {
    "message": "Invalid connection settings\r\n     inner exception: Not a valid data source."
  },
  "source": "xxx.azurewebsites.net"
}

---

什么是“无效数据源”。异常是什么意思？我的设置有什么问题？

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