parameter setting error.

Hello Friends

during execution of pakage i got this error.

[Execute SQL Task] Error: Executing the query "INSERT into test_tblUsedDumpRecord2
(CreationDate,..." failed with the following error: "Parameter name is unrecognized.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.

I'm using Varaibel

Name                 datatype    default

CreationDate      string          ""

Parameter Mapping

ParameterName      datatype    ParameterName   Parameter

CreationDate           nvarchar    CreationDate           0

kindly help friends to resolve this issue.