Solution : https://service.sap.com/sap/support/notes/180432 (SAP Service marketplace login required)
Key words :
system generates error message n2396 'building unit &, additional key words nb45, affected building unit, care unit list, care unit overview, building unit, display/maintenance, planning characteristics, prerequisites, maintained
Related Notes :
153153 | IS-H: Composite note on important errors in 4.03A |