Solution : https://service.sap.com/sap/support/notes/214504 (SAP Service marketplace login required)
Key words :
additional key words query, option 'sap list viewer', sap list viewer, processing options' box, 6c 'output form', box 'output form', selection screen layout, output form, selection screen, selections screen
Related Notes :
332464 | SAP query: Errors when using variants |
319567 | SAP query: Terminatn with PERFORM_PARAMETER_MISSING |
315285 | SAP query: Section on selection screen |
301773 | SAP query: Simplified selection screen |