Solution : https://service.sap.com/sap/support/notes/663494 (SAP Service marketplace login required)
Key words :
backend sends duplicate entries, duplicate record reason, perform general settings, equipment usage periods, equipment set, syncbo mam_031, error occurs, terms mam 2, selection variant, date selection
Related Notes :
672781 | MAM for Utilities 1.0 - composite SAP Note |
617494 | Mobile Asset Management 2.0 - Composite Note |