Admin CP won't open(

[demoness]

Hi!

I installed Mysidia Adoptables Script 1.3.2 on my site and it working! But one problem is still exist - I can't open Admin CP. It gives me this fatal error:

Warning: include_once(.php): failed to open stream: No such file or directory in /home/u712545327/public_html/classes/class_urlparser.php on line 33 Warning: include_once(): Failed opening '.php' for inclusion (include_path='.:/usr/lib/php') in /home/u712545327/public_html/classes/class_urlparser.php on line 33 Fatal error: Uncaught exception 'Exception' with message 'Fatal Error: Class ACP either does not exist!' in /home/u712545327/public_html/classes/class_loader.php:26 Stack trace: #0 [internal function]: Loader->load('ACP') #1 /home/u712545327/public_html/classes/class_urlparser.php(36): spl_autoload_call('ACP') #2 /home/u712545327/public_html/classes/class_input.php(79): UrlParser->parse() #3 /home/u712545327/public_html/classes/class_input.php(56): Input->initialize() #4 /home/u712545327/public_html/classes/class_mysidia.php(133): Input->__construct() #5 /home/u712545327/public_html/classes/class_mysidia.php(42): Mysidia->parseinput() #6 /home/u712545327/public_html/inc/init.php(27): Mysidia->initialize() #7 /home/u712545327/public_html/admincp/index.php(4): require('/home/u71254532...') #8 {main} thrown in /home/u712545327/public_html/classes/class_loader.php on line 26

I don't know what to do I checked script path, my hosting have PHP 5.3. Please help if it possible(