Polskie forum wsparcia dla phpBB

mam wielki problem z chatmodem otóż robie wszystko tak jak należy kopiuje folder install na serwer
wpissuje www.adresforum.xaa.pl/install po czym wyskakuje taki bład



Warning: include(./InstallationTools.php) [function.include]: failed to open stream: No such file or directory in /home/nokia/public_html/install/index.php on line 15

Warning: include(./InstallationTools.php) [function.include]: failed to open stream: No such file or directory in /home/nokia/public_html/install/index.php on line 15

Warning: include() [function.include]: Failed opening './InstallationTools.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/nokia/public_html/install/index.php on line 15

Warning: include(./ChatInstaller.php) [function.include]: failed to open stream: No such file or directory in /home/nokia/public_html/install/index.php on line 16

Warning: include(./ChatInstaller.php) [function.include]: failed to open stream: No such file or directory in /home/nokia/public_html/install/index.php on line 16

Warning: include() [function.include]: Failed opening './ChatInstaller.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/nokia/public_html/install/index.php on line 16

Fatal error: Class 'ChatInstaller' not found in /home/nokia/public_html/install/index.php on line 17


Takie błedy i nie wiem o co chodzi ://
prosze o pomoc

błąd jest związany z niepoprawnymi ścieżkami do odpowiednich plików

Na serwerze zainstalowane jest PHP 5 czy PHP 4?

Przenoszę.