Solution : https://service.sap.com/sap/support/notes/633032 (SAP Service marketplace login required)
Key words : 
general quotation processing, sap internet sales, terms crm_isa_basket_set_gdata reason, prerequisites note 609970 exists, note removes parts, symptom error, program error, source code, note 609970, implemented
Related Notes : 
       
| 634869 | SAPKU40001: Support Package 01 for CRM 4.0 | 
| 609970 |