Solution : https://service.sap.com/sap/support/notes/29008 (SAP Service marketplace login required)
Key words : 
processing module additional key words copy message enter key, batch-input loops, abap/4 development workbench, note 28913 solution, program saplv45c, gui status, longer allocated, menu painter, statuses 'pv', function 'uebr'
Related Notes : 
       
| 28913 | LOOP in batch-input |