I am trying to configure Master Data Management. For some tables like "G/L Account", "Dimension", "Dimension Values" it works without any problems, but when I add in the "Synchronization Tables" tables such as "Acc. Schedule Line", "Acc. Schedule Name" no entries are created in the "Master Data Initial Synchronization" page, so I can't start the initial synchronization and configure the couplings. Job Queue is created. Selected tables are synchronized when new records from the master company are created in all subcompanies, but updates are not propagated because the BC tries to create modified records in the subcompanies instead of updating, resulting in a "record already exists" error.