Solution : https://service.sap.com/sap/support/notes/454085 (SAP Service marketplace login required)
Key words : 
attached source code corrections, additional key words, attached tasks, 'tasks' tab, system issues, sales assistant, solution implement, opportunity, prerequisites
Related Notes : 
       
| 442332 | SAPKU30006: Support Package 6 for EBP 3.0/CRM 3.0 |