An application that writes information about an error occurring on BIRT iHub System to a comma-separated values (CSV) log file. The extension creates entries for all Encyclopedia volume, user, mail, and system service error activity. A reference implementation of the extension ships with BIRT iHub System as a dynamic link library (DLL) on Windows or a shared library on UNIX or Linux. Actuate BIRT iHub Integration Technology provides the source code, which a developer can customize.