Solution : https://service.sap.com/sap/support/notes/694937 (SAP Service marketplace login required)
Key words : 
sap software center, system displays message, system displays, pricing document, ipc server, rfc destination, transaction sm59, internet pricing, 0 support package 18, 0 support package 04
Related Notes : 
       
| 486061 | How to get patches for CRM Internet Pricing Configurator |