The Debug Log (or Debug Messages Console View) is used by the debug driver to display additional information that may be helpful in debugging connections issues with your target.
To view the Debug Log:
From the drop-down list, select <projname> Debug Messages:
Occasionally, to help identify a problem you have reported, the LPCXpresso IDE support team may ask you to provide the details of the Debug Log. To do this:
Open the debug log up, as detailed above.
Select the contents (e.g. Ctrl-A).
Copy to the clipboard (e.g. Ctrl-C).
Paste from clipboard into email / forum thread (e.g. Ctrl-V).
If there is a large amount of text, then paste it into a text file, and attach that file.