Solution : https://service.sap.com/sap/support/notes/909416 (SAP Service marketplace login required)
Key words :
ASSERTION_FAILED, PSS, standalone call, single services, EDITMODE
Related Notes :
| 909857 | Termination in cProjects SingleServices CONVT_NO_NUMBER |
| 895332 | ERP 2005 SP Stack 2 (12/2005) Release and Information Note |