Problem Opening Payment Group

Hello All,

When our users try to open the Payment group or cash receipt entry we get the following error …i tried recycling the app pool but still no effect…we can not create new group as well …can somebody advice us have raised it with epicor as well

Exception caught in: Epicor.ServiceModel

Error Detail

Message: Method not found: ‘System.Transactions.TransactionScope Ice.IceDataContext.CreateDefaultTransactionScope()’.
Program: Epicor.ServiceModel.dll
Method: ShouldRethrowNonRetryableException

Client Stack Trace

at Epicor.ServiceModel.Channels.ImplBase`1.ShouldRethrowNonRetryableException(Exception ex, DataSet[] dataSets)
at Erp.Proxy.BO.BankBatchImpl.LockAPBatch(String groupID, String programName, String& errorMessage)
at Erp.Adapters.BankBatchAdapter.LockAPBatch(String groupID, String programName, String& errorMessage)

Got it working have re-imported the cab file and recycled the application pool