Solution : https://service.sap.com/sap/support/notes/688720 (SAP Service marketplace login required)
Key words :
se43 area menu editor, area menu transactions disappear, area menu editor, terms se43 reason, obj_type = space parameters, area menu denotes, area menu provided, individual area menu, easy access menus, rs_cua_tcode_index function module
Related Notes :
28022 | Customer system: Where-used list of SAP objects |