Have an Exception after complete installation

After i complete installation, and created the Data base in my first login i have an exception.
This is the message in log file:
2014-11-05 15:16:22 ===== TRACE ===== 'user' is not an instance of User class. May be a hacking attempt from IP 172.20.20.41
2014-11-05 15:16:22 ===== TRACE ===== IP CLient=172.20.20.41
2014-11-05 15:16:22 ===== TRACE ===== $_REQUEST[xcurrentLocale]=en
2014-11-05 15:16:22 ===== TRACE ===== $_REQUEST[PHPSESSID]=0r2adhufocq7lin3ifngj79v82
2014-11-05 15:16:22 ***** ERROR ***** EXCEPTION *****
2014-11-05 15:16:22 ***** ERROR ***** on file 'D:\xampplite\htdocs\projeqtor\tool\projeqtor.php' at line (103)
2014-11-05 15:16:22 ***** ERROR ***** cause = Invalid access attempt
2014-11-05 15:16:22 ***** ERROR ***** => #0 D:\xampplite\htdocs\projeqtor\view\main.php (10) -> require_once()

Can any help me.

Thanks!