Smarty errors and WAMPP

[Kesstryl]

More errors trying to install

! ) Fatal error: Uncaught exception 'Exception' with message 'Fatal Error: Class UserStat either does not exist, or has its include path misconfigured!' in C:\wamp\www\Mysidia1.3.4\classes\class_loader.php on line 83
( ! ) Exception: Fatal Error: Class UserStat either does not exist, or has its include path misconfigured! in C:\wamp\www\Mysidia1.3.4\classes\class_loader.php on line 83
Call Stack
# Time Memory Function Location
1 0.0138 274048 {main}( ) ..\index.php:0
2 0.1919 388728 IndexController::main( ) ..\index.php:78
3 0.1919 389096 Initializer->__construct( ) ..\index.php:68
4 0.1919 389272 Initializer->initialize( ) ..\class_initializer.php:45
5 0.9026 1525304 Mysidia->__construct( ) ..\class_initializer.php:109
6 1.0495 1728248 Mysidia->getSession( ) ..\class_mysidia.php:166
7 1.0742 1755960 Session->__construct( ) ..\class_mysidia.php:248
8 1.0742 1756128 session_start ( ) ..\class_session.php:13
9 1.1127 1885688 Loader->load( ) ..\class_session.php:0