Solution : https://service.sap.com/sap/support/notes/540127 (SAP Service marketplace login required)
Key words :
component crm-msa-adp, component crm-md-con-, system recognizes potential errors, generic mapper map_bapimtcs_to_customizing, object adapter delivered, system reports, map_bapimtcs_to_customizing reason, adapter object, customizing object, adapter repository