3740962 - Error: Tax amount different to expense/revenue account assignment correct

When I create an Invoice on SAP Ariba Buying and Invoicing side, and forward it to the SAP ERP through the Managed Gateway for Spend&Network, it fails within SAP ERP with the error message: Tax amount different to expense/revenue account assignment correct

SAP Integration Suite, managed gateway for spend management and SAP Business Network 

erp push error, tax amount different to expense/revenue account assignment, invoice reconciliation, paying failed, outbound rounding, tax rounding, managed gateway, integration suite, custom mapping, external tax engine, preprocess vs outbound, invoice posting, rounding discrepancy, tax mismatch, payload difference , KBA , BNS-ARI-CI-BUY-INV , Managed Gateway for Procurement - Invoice , Problem