3057096 - Seeing errors from third party application that uses /SAPDS/ functions

• ERROR: "Message":"Failure happened on 'Source' side. ErrorCode=UserErrorRfcFunctionInvokeFailed,'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=Failed to invoke function /SAPDS/RFC_READ_TABLE2 with error: SAP.Middleware.Connector.RfcAbapRuntimeException, message: Error in ASSIGN assignment in program /SAPDS/SAPLRS_BASIS
• ERROR: Failed to invoke function /SAPDS/RFC_READ_TABLE2 with error: SAP.Middleware.Connector.RfcAbapRuntimeException, message: Error in ASSIGN assignment in program /SAPDS/SAPLRS_BASIS ., stacktrack: at SAP.Middleware.Connector.RfcConnection.ThrowRfcErrorMsg() at SAP.Middleware.Connector.RfcConnection.ReadBytes(Byte* buffer, Int32 count) at SAP.Middleware.Connector.RfcConnection.ReadRfcIDBegin(Int32& length) at SAP.Middleware.Connector.RfcConnection.ReadUpTo(RFCGET readState, RfcFunction function, RFCID toRid) at SAP.Middleware.Connector.RfcConnection.RfcReceive(RfcFunction function) at SAP.Middleware.Connector.RfcFunction.RfcDeserialize(RfcConnection conn, IRfcIOStream stream) at SAP.Middleware.Connector.RfcFunction.RfcCallReceive(RfcConnection conn, IRfcIOStream stream, RFCID rid) at SAP.Middleware.Connector.RfcFunction.Invoke(RfcDestination destination) at Microsoft.DataTransfer.Runtime.SapRfcHelper.SapRfcClient.InvokeFunctionInternal(IRfcFunction function, Boolean initStatefulSession, Boolean checkForErrors) at Microsoft.Practices.TransientFaultHandling.RetryPolicy.<>c__DisplayClass1.<ExecuteAction>b__0() at Microsoft.Practices.TransientFaultHandling.RetryPolicy.ExecuteAction[TResult](Func`1 func) at Microsoft.DataTransfer.Runtime.SapRfcHelper.SapRfcClient.InvokeFunction(IRfcFunction function, Boolean initStatefulSession, Boolean checkForErrors). Error in ASSIGN assignment in program /SAPDS/SAPLRS_BASIS . . Activity ID: 6b2d74d6-ed1f-41f6-92e9-ed50268cbfb8
• RFC functions specific to Data Services are being used by a third party program or another SAP product outside of Data Services.
• Using transaction SE37 to test function /SAPDS/RFC_READ_TABLE2  will successfully import the BSEG, BSIK, and BSAK tables.
• Azure Data Factory is using /SAPDS/ functions
• SAP dump contains error:
  The current ABAP program "/SAPDS/SAPLRS_BASIS" had to be terminated because it found a statement that could not be executed

SAP Data Services

KBA , EIM-DS-SAP , SAP Interfaces , Problem