Undefined index & offset errors

This is the error I receive when going to the blog

[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined offset: 10
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined index: title_save_pre
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined offset: 10
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined offset: 10
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined index: content_filtered_save_pre
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined offset: 10
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined index: title_save_pre
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined offset: 10
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined offset: 10
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/plugin.php on line 106: Undefined index: content_filtered_save_pre
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/query.php on line 561: Undefined index: category___not_in
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/query.php on line 588: Undefined index: tag___not_in
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: port
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: query
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: port
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: query
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 155: Undefined index: query
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: port
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: query
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: port
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/canonical.php on line 150: Undefined index: query
[phpBB Debug] PHP Notice: in file /wordpress/wp-includes/pluggable.php on line 391: Cannot modify header information – headers already sent by (output started at /includes/functions.php:3729)

Thank you!