am i doing correct for sorting prompt

[pooja]

case
when ?FirstSort? = 'Client Name' then [ABC].[Sub Servicer Information].[CHRSUBSERVICERCOMPANYNAME]

when ?FirstSort? = 'Net LOC' then [ABC].[transactions].[CURNETLOC]

when ?FirstSort? = 'Loan Number' then [ABC].[Loan Numbers].[INTSUBSERVICERLOANNUMBER]

when ?FirstSort? = 'Interest Type' then [ABC].[transactions].[CHRINTERESTTYPE]

when ?FirstSort? = 'Loan Type' then [ABC].[Loan Numbers].[CHRLOANTYPE]

end


AND ERROR  i am getting--------

QE-DEF-0359 The query contains a reference to at least one object '[CHRSUBSERVICERCOMPANYNAME]' that does not exist. RSV-SRV-0042 Trace back: RSReportService.cpp(595): QFException: CCL_CAUGHT: RSReportService::process() RSReportServiceMethod.cpp(177): QFException: CCL_RETHROW: RSReportServiceMethod::process(): asynchRunSpecification_Request RSASyncExecutionThread.cpp(562): QFException: RSASyncExecutionThread::checkException RSASyncExecutionThread.cpp(179): QFException: CCL_CAUGHT: RSASyncExecutionThread::run(): asynchRunSpecification_Request RSASyncExecutionThread.cpp(612): QFException: CCL_RETHROW: RSASyncExecutionThread::processCommand(): asynchRunSpecification_Request Execution/RSRenderExecution.cpp(584): QFException: CCL_RETHROW: RSRenderExecution::execute Execution/RSRenderExecution.cpp(856): QFException: CCL_RETHROW: RSRenderExecution::processActiveDocuments Assembly/RSDocAssemblyDispatch.cpp(235): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssembly Assembly/RSLayoutAssembly.cpp(135): QFException: CCL_RETHROW: RSLayoutAssembly::assemble Assembly/RSDocAssemblyDispatch.cpp(295): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForward Assembly/RSDocAssemblyDispatch.cpp(295): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForward Assembly/RSPageAssembly.cpp(247): QFException: CCL_RETHROW: RSPageAssembly::assemble Assembly/RSDocAssemblyDispatch.cpp(254): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssembly Assembly/RSTableRowAssembly.cpp(136): QFException: CCL_RETHROW: RSTableRowAssembly::assemble Assembly/RSDocAssemblyDispatch.cpp(254): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssembly Assembly/RSTableCellAssembly.cpp(94): QFException: CCL_RETHROW: RSTableCellAssembly::assemble Assembly/RSDocAssemblyDispatch.cpp(295): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForward Assembly/RSTableAssembly.cpp(89): QFException: CCL_RETHROW: RSTableAssembly::assemble Assembly/RSDocAssemblyDispatch.cpp(295): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForward Assembly/RSTableRowAssembly.cpp(136): QFException: CCL_RETHROW: RSTableRowAssembly::assemble Assembly/RSDocAssemblyDispatch.cpp(254): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssembly Assembly/RSTableCellAssembly.cpp(94): QFException: CCL_RETHROW: RSTableCellAssembly::assemble Assembly/RSDocAssemblyDispatch.cpp(295): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForward RSQueryMgr.cpp(947): QFException: CCL_RETHROW: RSQueryMgr::getListIterator RSQueryMgr.cpp(1007): QFException: CCL_RETHROW: RSQueryMgr::getResultSetIterator RSQueryMgr.cpp(1169): QFException: CCL_RETHROW: RSQueryMgr::createIterator RSQueryMgr.cpp(1455): QFException: CCL_RETHROW: RSQueryMgr::executeRsapiCommand RSQueryMgr.cpp(1442): QFException: CCL_RETHROW: RSQueryMgr::executeRsapiCommand RSQueryMgrExecutionHandlerImpl.cpp(164): QFException: CCL_RETHROW: RSQueryMgrExecutionHandlerImpl::execute() RSQueryMgrExecutionHandlerImpl.cpp(156): QFException: CCL_RETHROW: RSQueryMgrExecutionHandlerImpl::execute() RSQFSession.cpp(216): QFException: CCL_RETHROW: RSQFSession::DoRequest QFSSession.cpp(1479): QFException: CCL_RETHROW: QFSSession::ProcessDoRequest() QFSSession.cpp(1477): QFException: CCL_CAUGHT: QFSSession::ProcessDoRequest() QFSSession.cpp(1444): QFException: CCL_RETHROW: QFSSession::ProcessDoRequest() QFSConnection.cpp(771): QFException: CCL_RETHROW: QFSConnection::Execute QFSQuery.cpp(115): QFException: CCL_RETHROW: QFSQuery::Execute v2 CoordinationQFSQuery.cpp(3643): QFException: CCL_THROW: CoordinationPlanner

[DustPanMan]

The error listed does not relate to this prompt.  You may want to see where else in the query '[CHRSUBSERVICERCOMPANYNAME]' is being used.