dvm error while trying to assign dvm value to a variable using Assign
<bpelFault><faultType>0</faultType><subLanguageExecutionFault xmlns="http://schemas.oracle.com/bpel/extension"><part name="summary"><summary>XPath expression failed to execute. An error occurs while processing the XPath expression; the expression is dvm:lookupValue('S:/JDeveloper/mywork/GPRDSecurityLevelDataRouterApp/GPRDSecurityLevelDataRouter/EnterpriseAppSecurityLevels.dvm','SecurityLevel','1','EnterpriseAppQueueName',''). The XPath expression failed to execute; the reason was: internal xpath error. Check the detailed root cause described in the exception message text and verify that the XPath query is correct. </summary></part><part name="code"><code>XPathExecutionError</code></part></subLanguageExecutionFault></bpelFault>
Kindly help identifying the issue here.
Regards,
Sridhar.