Error message

• Warning: Trying to access array offset on value of type bool in taxonomy_page_title_pattern_alter() (line 31 of /afs/informatik.uni-goettingen.de/service/web/swe/sites/all/modules/page_title/modules/taxonomy.page_title.inc).
• Deprecated function: strncmp(): Passing null to parameter #1 ($string1) of type string is deprecated in taxonomy_page_title_pattern_alter() (line 31 of /afs/informatik.uni-goettingen.de/service/web/swe/sites/all/modules/page_title/modules/taxonomy.page_title.inc).
• Warning: Trying to access array offset on value of type bool in views_page_title_pattern_alter() (line 15 of /afs/informatik.uni-goettingen.de/service/web/swe/sites/all/modules/page_title/modules/views.page_title.inc).
• Warning: Trying to access array offset on value of type bool in taxonomy_page_title_alter() (line 15 of /afs/informatik.uni-goettingen.de/service/web/swe/sites/all/modules/page_title/modules/taxonomy.page_title.inc).
• Deprecated function: strncmp(): Passing null to parameter #1 ($string1) of type string is deprecated in taxonomy_page_title_alter() (line 15 of /afs/informatik.uni-goettingen.de/service/web/swe/sites/all/modules/page_title/modules/taxonomy.page_title.inc).