Solution : https://service.sap.com/sap/support/notes/654872 (SAP Service marketplace login required)
Key words : 
appl         crm001    modobj       cacs00_s_obj01    inst nr      95    fieldname    currency    keyflag    relpos       3    fromtab      cacs_s_crm_sales_order_contra    reftable    reffield, prerequisites icm package crm001, generated structure <appl>_s_obj95, copy cross-client customizing, amount field incentive_bas coming, terms cacs00_s_obj01 reason, icm package crm001, field currency, <appl>_s_obj95, currency reference
Related Notes : 
       
| 662453 | Composite SAP Note Inst./Upgrade SAP R/3 Enterprise 47x200 |