Solution : https://service.sap.com/sap/support/notes/630498 (SAP Service marketplace login required)
Key words :
select radio button 'messages', enter message class crm_service_i, enter message number 50, call transaction se91, attached program correction, message short text, error message, short dump, program error, header level
Related Notes :
| 634869 | SAPKU40001: Support Package 01 for CRM 4.0 |