Solution : https://service.sap.com/sap/support/notes/550226 (SAP Service marketplace login required)
Key words : 
'edit -> expert settings -> special modifications, relevant older support package attached, support package attached, higher memory requirement, sufficient memory reserves, runtime error tsv_tnew_page_alloc_failed, szai function group, sy-mandt   pass, e071                exceptions                  exception, business address services
Related Notes : 
       
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| 432152 | CC-RELEASE: Error in client copy in Release 6.10 | 
| 350101 | CC-TOPIC: Client copy and addresses up to 4.6D | 
| 208919 | CC-INFO: Performance as of Release 4.6 | 
| 206523 | CC-RELEASE: Client copy errors in 4.6C and 4.6D | 
| 67205 | CC-INFO: Copying large and productive clients |