Solution : https://service.sap.com/sap/support/notes/210364 (SAP Service marketplace login required)
Key words :
parameter i_save = 'a' exceptions not_found = 1, additional key words reuse_alv_grid_display, setting is_layout-colwidth_optimize = 'x', reuse_alv_hierseq_displayabap list viewer, sap list viewer, function module reuse_alv_variant_default_get, display variant interactively, function module, variant interactively, display variant
Related Notes :
| 321311 | VL10: Deactivating column width optimization, modification |
| 204496 | Column width in the list changes |