Solution : https://service.sap.com/sap/support/notes/873812 (SAP Service marketplace login required)
Key words :
sy-tcode reason, sy-tcode field, call occurs directly, equi_installation_change function module, terms functional location, location_read_f00 form routine, form routine, functional location, functional locations, authorization check
Related Notes :
| 513380 | Equipment BAPI: Authorization check in data transfer |