Execute Stored Procedure using Execute Sql Task

when i am executing SP which has following  execute script in SSIS using Execute SQL task I am getting the error "Executing the query "Exec Windows.[uspInsertImportEventLog] ?, ?output" failed with the following error: "Must declare the scalar variable "@P2output"

DECLARE @RC int
DECLARE @ComputerName GenericName
DECLARE @ImportEventLogID int

-- TODO: Set parameter values here.

EXECUTE @RC = [PrinterInventory].[Windows].[uspInsertImportEventLog] 
   @ComputerName
  ,@ImportEventLogID OUTPUT
GO

I have also attached the image which i am doing in SSIS.

Thanks for your help.