MSCRM custom ssrs reports with datetime parameters are throwing error

MSCRM custom ssrs reports with datetime parameters are throwing error.

• An error has occurred during report processing. (rsProcessingAborted)
  • Cannot read the next data row for the dataset ContractSet. (rsErrorReadingNextDataRow)
    • Microsoft.Crm.CrmException: An unexpected error occurred. System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=7.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: The date-time format for 31-12-2015 00:00:00 is invalid, or value is outside the supported range. <OrganizationServiceFault xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/xrm/2011/Contracts"> <ErrorCode>-2147220935</ErrorCode><ErrorDetails xmlns:d2p1="http://schemas.datacontract.org/2004/07/System.Collections.Generic" /> <Message>The date-time format for 31-12-2015 00:00:00 is invalid, or value is outside the supported range.</Message> <Timestamp>2015-09-04T10:30:58.4723966Z</Timestamp><InnerFault> <ErrorCode>-2147220935</ErrorCode> <ErrorDetails xmlns:d3p1="http://schemas.datacontract.org/2004/07/System.Collections.Generic" /> <Message>The date-time format for 31-12-2015 00:00:00 is invalid, or value is outside the supported range.</Message> <Timestamp>2015-09-04T10:30:58.4723966Z</Timestamp> <InnerFault i:nil="true" /> <TraceText i:nil="true" /> </InnerFault> <TraceText i:nil="true" /> </OrganizationServiceFault>
      • An unexpected error occurred.
        • The date-time format for 31-12-2015 00:00:00 is invalid, or value is outside the supported range.

Ramanathan Rajendran MCTS - Dynamics CRM