Error message

• Notice: Undefined variable: node_title in varian_taxonomy_build_breadcrumb() (line 252 of /app/nbgu6iv3f473e/docroot/sites/all/modules/custom/varian_taxonomy/breadcrumb.inc).
• Notice: Undefined variable: node_title in varian_taxonomy_build_breadcrumb() (line 256 of /app/nbgu6iv3f473e/docroot/sites/all/modules/custom/varian_taxonomy/breadcrumb.inc).
• Notice: Undefined index: en in varian_sections_block_view() (line 167 of /app/nbgu6iv3f473e/docroot/sites/all/modules/custom/varian_sections/varian_sections.module).
• Warning: Invalid argument supplied for foreach() in varian_sections_block_view() (line 167 of /app/nbgu6iv3f473e/docroot/sites/all/modules/custom/varian_sections/varian_sections.module).