Regarding the tip mail on Describe Select-Options.
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That's a long-winded piece of code - SAP already provides that functionality.
Try using the following:
call function 'PRINT_SELECTIONS' exporting mode = '1' rname = program rvariante = space tables infotab = t_scr_image. new-page. loop at t_scr_image. write: / t_scr_image-line. endloop.