Solution : https://service.sap.com/sap/support/notes/1760176 (SAP Service marketplace login required)
Key words :
excel template belonging, source code corrections, file ending xlsx, xlsx reason, layout variant, terms reuse_alv_grid_display, solution implement, correction instructions, cl_gui_alv_gridslvc_office_integration, init_controls
Related Notes :
| 1693607 | ALV view: Checking XLSX/XLSM templates in or out |
| 1522778 | ALV View: Templates with XLSX extension cannot be selected |