please help... everything went well in installing Xoop 2, but on the last step i got this error

Warning: main(/home/natasha/public_html/wowGuild/class/logger.php): failed to open stream: No such file or directory in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 26

Warning: main(): Failed opening '/home/natasha/public_html/wowGuild/class/logger.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 26

Warning: main(/home/natasha/public_html/wowGuild/class/database/databasefactory.php): failed to open stream: No such file or directory in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 27

Warning: main(): Failed opening '/home/natasha/public_html/wowGuild/class/database/databasefactory.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 27

Warning: main(/home/natasha/public_html/wowGuild/class/database/mysqldatabase.php): failed to open stream: No such file or directory in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 28

Warning: main(): Failed opening '/home/natasha/public_html/wowGuild/class/database/mysqldatabase.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 28

Warning: main(/home/natasha/public_html/wowGuild/class/database/sqlutility.php): failed to open stream: No such file or directory in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 29

Warning: main(): Failed opening '/home/natasha/public_html/wowGuild/class/database/sqlutility.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 29

Fatal error: Undefined class name 'xoopsdatabasefactory' in /home/natasha/public_html/wowGuild/install/class/dbmanager.php on line 45