Error: AWStats database directory defined in config file by 'DirData' parameter (/home/mach10/wayne4realestate.com/public_html/stats/awstats) does not exist or is not writable.

Setup ('/etc/awstats/awstats.wayne4realestate.com.conf' file, web server or permissions) may be wrong.
Check config file, permissions and AWStats documentation (in 'docs' directory).