function 正在运行但显示消息：sqlsrv_rows_affected() 期望参数 1 为资源，boolean 已给出

Question

i want to send email using stored procedure sql server, the email get send but always show the "Message: sqlsrv_rows_affected() expects parameter 1 to be resource, boolean given" and i don't know why, this is my procedure code:

USE [MYDB]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[SP_aprove_support]
    @id varchar(8)
AS
BEGIN
    DECLARE @subject varchar(60), @body varchar(250), @receiver varchar(100)

    SELECT @receiver=email FROM tbl_user_pe WHERE id_user=@id

    SET @subject = 'Notification Support'

    SET @body = '<table>
                     Hi (USER), You have a Request Support that need to be Aprove
                </table>'



------------------------------------------
    EXEC msdb.dbo.sp_send_dbmail
        @profile_name = 'YHA SMTP',
        @recipients = @receiver,
        @copy_recipients='',
        @blind_copy_recipients ='',
        @subject = '',
        @body = @body,
        @body_format = 'HTML'


------------------------------------------
END

有人能帮我吗