2634815 - Error on My Approvals tile - The function call of /IWWRK/WF_TGW_TASK_SCN_COUNT failed

• Users are experiencing Error message on My Approvals tile,

AND

• See the following error in the related service error logs (transaction /IWFND/ERROR_LOG):
  RFC call was not successful because of communication failure 'The function call of /IWWRK/WF_TGW_TASK_SCN_COUNT failed; a field may have been assigned to the parameter ET_TASK_COUNT whose type is not compatible with this parameter

• Task Gateway
• Gateway Business Workflow Enablement
• SAP NetWeaver 7.4
• SAP NetWeaver 7.5
• SAP NetWeaver Application Server 7.51 for SAP S/4HANA 1610 (SAP NetWeaver 7.51)

/IWBEP/CX_MGW_TECH_EXCEPTION, Message no. /IWFND/CM_MGW004, An exception was raised, SYSTEM_ALIAS LOCAL_PGW, METHOD PROCESS_MSG_CONTAINER /IWFND/CL_MGW_RUNT_RCLNT_UTILSCP, METHOD FINALIZE_OPERATION /IWFND/CL_MGW_CO_DEPLOYM_PROXYCP, odata/IWPGW/TASKPROCESSING, SAP_GWFND, IW_PGW, /IWPGW/TGW, Fehlerhafte Service URL bei My Approvals Tile, frontend correction missing, gateway part, gateway client, SAP_GWFND, IW_PGW, /IWPGW/TGW, /IWWRK/WORKFLOW, IW_BEP, TASKPROCESSING, Filter by task type , KBA , OPU-BSC-TGW , Task Gateway , OPU-BSE-WFM , Gateway Business Workflow Enablement , Problem