Solution : https://service.sap.com/sap/support/notes/699326 (SAP Service marketplace login required)
Key words :
change functional location, attached program corrections, program error, transaction il02, implemented equipment, user status, apparently executed, dismantled equipment, terms il01, form status_check_iflo_fxxia 021
Related Notes :
388131 | Equipment:Installation/dismantling via user status forbidden |