SAP Knowledge Base Article - Preview

2660638 - My Inbox approve/reject error - RFC call was not successful because of system failure

Symptom

  • When processing a task from the My Inbox application, after pressing approve/reject the following errors show up in the front-end:

    Cannot process task. For more information, see the details. RFC call was not successful because of system failure 'Screen output without connection to user.'.
    2018-07-06_13-47-08.jpg

    AND

  • In the error log (/n/IWFND/ERROR_LOG), the following errors are raised in the front-end system:
    /IWFND/CM_MGW050 - Changeset processing failed.
    /IWFND/CM_MGW004 - RFC call was not successful because of system failure 'Screen output without connection to user.'.

    AND

  • In the error log, the following errors are raised in the back-end system:
    /IWBEP/CM_MGW_BOP_RT012 
    -  RFC call was not successful because of system failure.

  • The runtime error dump DYNPRO_SEND_IN_BACKGROUND is raised in transaction ST22.

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Environment

  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4 HANA
  • Gateway Business Workflow Enablement

Product

SAP Gateway all versions ; SAP NetWeaver Application Server for ABAP 7.5 for SAP S/4HANA, on-premise edition 1511 ; SAP NetWeaver all versions

Keywords

SAP_GWFND, IW_PGW, /IWPGW/TGW, /IWWRK/WORKFLOW, SWF_WORKFLOW, Gateway, CALL SCREEN, BAdI, _DPC, _DPC_EXT, OData, IW_FND, ABAP programming error, ST22, /IWBEP/FM_MGW_HANDLE_REQUEST, DYNPRO_SEND_IN_BACKGROUND , KBA , OPU-BSC-TGW , Task Gateway , OPU-BSE-SDE , Gateway SAP Data Enablement , OPU-GW-COR , Gateway Framework , OPU-BSE-WFM , Gateway Business Workflow enablement , Problem

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