An application that writes information about an error occurring on Actuate BIRT iServer 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 Actuate BIRT iServer System as a dynamic link library (DLL) on Windows or a shared library on UNIX or Linux. Actuate iServer Integration Technology provides the source code, which a developer can customize.