Error message

• Notice: Trying to access array offset on value of type bool in comment_page_title_pattern_alter() (line 40 of /var/www/html/ches/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 /var/www/html/ches/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 /var/www/html/ches/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 /var/www/html/ches/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 /var/www/html/ches/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 /var/www/html/ches/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 /var/www/html/ches/sites/all/modules/page_title/modules/taxonomy.page_title.inc).