Error message

• Warning: PHP Error: A non-numeric value encountered in highwire_citation_download_build_file() (line 351 of /opt/sites/jnl-herp_stage_client_feedback/drupal-highwire/releases/20251118064913/modules/highwire/highwire_citation/highwire_citation.module).
• Unable to create CTools CSS cache directory. Check the permissions on your files directory.
• Unable to create CTools CSS cache directory. Check the permissions on your files directory.
• Notice: PHP Error: Undefined variable: award_groups_xml in highwire_article_funding_info_render() (line 34 of /opt/sites/jnl-herp_stage_client_feedback/drupal-highwire/releases/20251118064913/modules/highwire/plugins/content_types/highwire_funding_info.inc).
• Notice: PHP Error: Undefined index: link_text in theme_highwire_article_citation() (line 46 of /opt/sites/jnl-herp_stage_client_feedback/drupal-highwire/releases/20251118064913/modules/highwire/highwire.include.article-citation.inc).
• Notice: PHP Error: Undefined index: umbrella-menu in menu_tree_build() (line 304 of /opt/sites/jnl-herp_stage_client_feedback/drupal-webroot/releases/20251118064923/sites/all/modules/contrib/menu_block/menu_block.module).