Solution : https://service.sap.com/sap/support/notes/457200 (SAP Service marketplace login required)
Key words :
set registry entry hkey_local_machine\software\crystal decisions\8, 5\bw query driver\trace level, -check short dumps, olap trace log, mdx statement number, -crystal log, mdx statement, crystal reports, crystal report, -olap /nrsrtrace
Related Notes :
149809 | Procedure f. errors in OLE DB for OLAP Interface |
112458 | Trace log in the Business Explorer |