Solution : https://service.sap.com/sap/support/notes/695975 (SAP Service marketplace login required)
Key words : 
sap software-center, selected variant keys, variant condition type, variant keys, variant condition, variant key, condition records, symptom pricing, configurable product, terms varcond
Related Notes : 
       
| 831252 | |
| 486061 | How to get patches for CRM Internet Pricing Configurator |