Solution : https://service.sap.com/sap/support/notes/454721 (SAP Service marketplace login required)
Key words : 
additional key words, billing engine framework, regenerate crm billing, 'crm billing', crm release 3, generated application, syntax errors, program error, advance correction, recommended due
Related Notes : 
       
| 481075 | |
| 449708 | Regeneration of the CRM Billing application | 
| 442332 | SAPKU30006: Support Package 6 for EBP 3.0/CRM 3.0 |