Solution : https://service.sap.com/sap/support/notes/772709 (SAP Service marketplace login required)
Key words : 
internal inspection result, latest support packages, latest ipc patch, ipc pricing improves, symptom poor performance, ipc pricing, terms configparameters, existxmldocument reason, program error, including sp07
Related Notes : 
       
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| 486061 | How to get patches for CRM Internet Pricing Configurator |