You can enable/disable error logging through your WAP control panel at https://my.awesome.net.
This is done under the "Configure" area of your web site, under the Application Diagnostics section:
To view your log files, FTP into your account (your FTP details can be found within your publish profile file, which you can download from your control panel), and you can find the various logs within the LogFiles folder.
Example contents of a LogFiles folder:
Download the files to your local PC to view them, in most cases you will open these files with your web browser as they are .htm or .xml files.