Solution : https://service.sap.com/sap/support/notes/559728 (SAP Service marketplace login required)
Key words :
system 'inconsistent update flag', inconsistent update flags, 'update flag = create', hanging queues --> avoidance, original bdoc type, bdoc types wait, bdoc types, /3 backend system, error occurs, crm server
Related Notes :
616868 | Upload into R/3: error C(004 "Inconsistent Update Flags" |
566611 | Update termination 'DUPREC' during the upload into R/3 |
559716 | Hanging queues -> document number in the Q name (CRM) |
504090 | Composite SAP note: Data transfer |