Fatal error and Warning. Here log

[dlx]

Hi,
I can't see the homepage, plugin crushes the code.

my Wordpress version is: 3.5.0
and vBullletin: 4.2.0 Patch Level 3

here log:

[Sun Feb 03 05:05:35 2013] [warn] [client 87.2.17.233] mod_fcgid: stderr: PHP Warning:  include_once(./global.php): failed to open stream: No such file or directory in /home/websitename/public_html/wp-content/plugins/vbbridge/vbloader.php on line 16
[Sun Feb 03 05:05:35 2013] [warn] [client 87.2.17.233] mod_fcgid: stderr: PHP Warning:  include_once(): Failed opening './global.php' for inclusion (include_path='.:/usr/share/php:/usr/share/pear') in /home/websitename/public_html/wp-content/plugins/vbbridge/vbloader.php on line 16
[Sun Feb 03 05:05:35 2013] [warn] [client 87.2.17.233] mod_fcgid: stderr: PHP Fatal error:  Call to a member function query_first() on a non-object in /home/websitename/public_html/wp-content/plugins/vbbridge/vbbridge.php on line 755
[Sun Feb 03 05:05:36 2013] [warn] [client 87.2.17.233] mod_fcgid: stderr: PHP Warning:  include_once(./global.php): failed to open stream: No such file or directory in /home/websitename/public_html/wp-content/plugins/vbbridge/vbloader.php on line 16
[Sun Feb 03 05:05:36 2013] [warn] [client 87.2.17.233] mod_fcgid: stderr: PHP Warning:  include_once(): Failed opening './global.php' for inclusion (include_path='.:/usr/share/php:/usr/share/pear') in /home/websitename/public_html/wp-content/plugins/vbbridge/vbloader.php on line 16
[Sun Feb 03 05:05:36 2013] [warn] [client 87.2.17.233] mod_fcgid: stderr: PHP Fatal error:  Call to a member function query_first() on a non-object in /home/websitename/public_html/wp-content/plugins/vbbridge/vbbridge.php on line 755