Solution : https://service.sap.com/sap/support/notes/49023 (SAP Service marketplace login required)
Key words : 
client copy additional key words client copy clients, topic client copy 73779 -, client copy, client copy68487 -, client import, solution notes, runtime improvement, latest information, information, prerequisites
Related Notes : 
       
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| 97815 | INST: 4.0B R/3 Installation on IBM AS/400 | 
| 63911 | AS/400: Client import terminates with QAQQPRF (7008) | 
| 22514 | CC-INFO: Error analysis for client copy |