Error message

• Notice: Trying to access array offset on value of type bool in comment_page_title_pattern_alter() (line 40 of sites\all\modules\page_title\modules\comment.page_title.inc).
• Notice: Trying to access array offset on value of type bool in node_page_title_pattern_alter() (line 33 of sites\all\modules\page_title\modules\node.page_title.inc).
• Notice: Trying to access array offset on value of type bool in taxonomy_page_title_pattern_alter() (line 31 of sites\all\modules\page_title\modules\taxonomy.page_title.inc).
• Notice: Trying to access array offset on value of type bool in views_page_title_pattern_alter() (line 15 of sites\all\modules\page_title\modules\views.page_title.inc).
• Notice: Trying to access array offset on value of type bool in comment_page_title_alter() (line 15 of sites\all\modules\page_title\modules\comment.page_title.inc).
• Notice: Trying to access array offset on value of type bool in node_page_title_alter() (line 15 of sites\all\modules\page_title\modules\node.page_title.inc).
• Notice: Trying to access array offset on value of type bool in taxonomy_page_title_alter() (line 15 of sites\all\modules\page_title\modules\taxonomy.page_title.inc).