Unable to settle vendor open transactions for few vendors

AP-> vendors-> settle open transactions->update

Processing item failed: Object reference not set to an instance of an object… Details: Object reference not set to an instance of an object. System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Dynamics365.Tax.Core.TaxEngineTaxJournalObject.journalLines()
at Microsoft.Dynamics365.Tax.Core.Runtime.TaxSettlementJournalAccountingProcessor.process()
at Microsoft.Dynamics365.Tax.Core.Runtime.TaxDocumentAccountingProcessor.processTaxDocumentAccounting()
at Microsoft.Dynamics365.Tax.Core.TaxEngine.calculate(ITaxableDocument _taxableDocument, TaxEngineCalculationParameter _processorParameter)

can Anyone help me ?