2493659 - Dump when accessing EarlyWatch Alert Management setup for Data Volume Managment - GETWA_NOT_ASSIGNED for program CL_DSWP_EARLYWATCH_ALERT_ADMINCP

When attempting to activate a DVM system and client for EarlyWatchAlert in Solution Manager, a dump occurs when opening EarlyWatchAlertManagement >> Step 5.3(Activate DVM Content)

ST22 shows:

Category                        ABAP Programming Error
Runtime Errors               GETWA_NOT_ASSIGNED
ABAP Program                CL_DSWP_EARLYWATCH_ALERT_ADMINCP
Application Component    SV-SMG-OP

What happened?
    Error in the ABAP Application Program

    The current ABAP program "CL_DSWP_EARLYWATCH_ALERT_ADMINCP" had to be
     terminated because it has
    come across a statement that unfortunately cannot be executed

Information on where terminated
    Termination occurred in the ABAP program "CL_DSWP_EARLYWATCH_ALERT_ADMINCP" -
     in "GET_DISPLAYABLE_SYS_CLIENTS"
    The main program was "SAPMHTTP "

    In the source code you have the termination point in line 96
    of the (Include) program "CL_DSWP_EARLYWATCH_ALERT_ADMINCM00Z"

Source Code Extract

  93       append lines of lt_log to et_disp_log.
  94       "--Check Active field
  95       "---------------------
>>>>       READ TABLE lt_config_systems INTO ls_config_systems
  97                                    WITH KEY sid = <fs_first_client_sys>-sid
  98                                             client = <fs_first_client_sys>-client.
  

SAP Solution Manager 7.1 SP12 - SP14

DVM, EWA, EarlyWatch Alert Management, GETWA_NOT_ASSIGNED, CL_DSWP_EARLYWATCH_ALERT_ADMINCP, Step 5.3, data volume management, GET_DISPLAYABLE_SYS_CLIENTS , KBA , SV-SMG-DVM , Data Volume Management , SV-SMG-OP , Solution Directory , Problem