Solution : https://service.sap.com/sap/support/notes/783495 (SAP Service marketplace login required)
Key words :
runtime error message_type_x occurs, runtime error raise_exception occurs, symptom problems occurs, multi-client systems, bw standard client, bw formulas, solution formulas, relevant routine, maintained, workaround
Related Notes :
522569 | BW: Working in several clients (especially APO / SCM) |