BO LOV error

Am getting an error when i tried link a dynamic parameter in crystal.

Crystal Reports

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Prompting failed with the following error message: 'List of Values failure: fail to get values. [Cause of error: putParamValuesForMissingInfo ReportSDKException(-2147482892):Failed to open the connection.

Cannot open database.

Failed to open the connection.

C:\WINDOWS\TEMP\{CFE64103-63DA-4E4D-AAC8-F04D8647E4A4}.rpt]'.

Error source: prompt.dll Error code: 0x8004380D

Thanks,

Pari.