Solution : https://service.sap.com/sap/support/notes/774631 (SAP Service marketplace login required)
Key words :
user command sy-ucomm '&mb_variant', 'select layout' option, layout button, selected directly, filled correctly, terms locator, on_todo_after_user_command reason, solution apply, cl_crm_1o_locator, on_search_after_user_command
Related Notes :
| 766373 | Locator:Fields not filled for user defined default layout |
| 740776 | Locator: Fields are not populated for default layout |
| 650686 |