Error message

• Warning: Undefined array key "href" in Drupal\metatag_favicons\Plugin\metatag\Tag\MaskIcon->output() (line 80 of modules/metatag/metatag_favicons/src/Plugin/metatag/Tag/MaskIcon.php).
• Warning: Undefined variable $customBreadcrbsn in moldev_preprocess_page() (line 1184 of themes/moldev/moldev.theme).