A cursor with the name 'TrigTempUpdate' already exists. คือ ERROR อะไรครับ

IF CURSOR_STATUS('global','myCursor')>=-1
BEGIN
 DEALLOCATE myCursor
END

USE [WMSToolBox]
GO
/****** Object:  StoredProcedure [dbo].[ops_packageinfomation_set_new]    Script Date: 21/06/2017 11:19:40 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:		<Author,,Name>
-- Create date: <Create Date,,>
-- Description:	<Description,,>
-- =============================================
ALTER PROCEDURE [dbo].[ops_packageinfomation_set_new] 
(
	@PackageCode nvarchar(50),
	@PackageSystemCode nvarchar(50),
	@ProductionReceiveDetailID nvarchar(50),
	@PackageQTY float,
	@PackageUOM int,
	@BaseQTY float,
	@BaseUOM int,
	@PackakgeConfrimQTY float,
	@IsStatusPackage int
	
	--Edit on 30052017
	,
	@PackageUnit int,
	@PackageTot int,
	@Remark nvarchar(150),
	@CountPackage int
)
AS

IF CURSOR_STATUS('global','TrigTempUpdate')>=-1
BEGIN
		INSERT INTO dbo.ops_packageinfomation
			(			PackageCode,PackageSystemCode,ProductionReceiveDetailID,PackageQTY,PackUomID,BaseQTY,BaseUOM,PackageUnit,PackageTot,Remark,CountPackage
			)
		VALUES 
			(			@PackageCode,@PackageSystemCode,@ProductionReceiveDetailID,@PackageQTY,@PackageUOM,@BaseQTY,@BaseUOM,@PackageUnit,@PackageTot,@Remark,@CountPackage
			)
		
		UPDATE	ops_productionreceivedetail
		SET		PackakgeConfrimQTY=@PackakgeConfrimQTY,
				IsStatusPackage=@IsStatusPackage
		WHERE	ProductionReceiveDetailID=@ProductionReceiveDetailID

		DEALLOCATE TrigTempUpdate
END