To help the developer team in troubleshooting, besides the screenshots of the error, you should as well attach the log file of the application.

You can access this log file from the Error Log View. To bring up the view, go to Window > Show View > Other > General > Error log.

Showing error log

The Error Log view will now be displayed in the bottom section of the application.

Showing error log

You can open and export log files by using the toolbar buttons.

Log file displayed in editor

Note: When working in collaborative mode, an error can occur either on the server side or on the client side. If the error you encountered is related to the server, your Error Log view will be empty. In this case you should contact your system administrator who can connect to the server and access the log files.