Troubleshooting You can determine the source of issues by examining the error messages produced by the Genero Report Engine. You can also report issues to support. Report Writer error messagesA list of configuration error messages. Genero Report Engine error messagesA list of Genero Report Engine (GRE) error messages. For messages that are not self-explanatory, additional information is provided.Redirect log messages to a file By default, GRE error and warning messages appear in the standard output. When in distributed mode with the GREDEBUG environment variable set, the messages are also logged to the gre.log file in the home directory of the user invoking the GRE daemon. However, you can redirect these messages to a log file.Report an issue to supportUse the GREDATAFILE environment variable to generate debug information that you can use in a support ticket.