Solution : https://service.sap.com/sap/support/notes/745120 (SAP Service marketplace login required)
Key words : 
ipc patch accordingto note 486061, fi error message, attached abap correction, earlier support package, support package 20, support packages 12, system finds, -taxable event, tax condition, condition 0tte
Related Notes : 
       
| 604742 | Billing/Taxes: Transfer to FI doesn't work for US exports | 
| 486061 | How to get patches for CRM Internet Pricing Configurator |