Launch Console (located in Applications > Utilities)
Click on "Clear Display"
Quit and launch the application that is affected and recreate the issue.
Select File > Save a Copy As... from the Console menu bar.
Save the console output log "All Messages" to your desktop.
Compress (archive) the file by highlighting it, [control] or right-click the folder then select Compress "All Messages".
If the file is less than 20mb, attach it to the support ticket. If the file is over 20mb, open a web browser and go to this site: http://www.transferbigfiles.com/
Upload the zipped log files. Ensure that you use your email address for the recipient.