Notice: Undefined offset: 0 in Drupal\hic_header\Plugin\Block\HeaderBlock->build() (line 191 of modules/custom/hic_header/src/Plugin/Block/HeaderBlock.php).
Notice: Trying to access array offset on value of type null in Drupal\hic_header\Plugin\Block\HeaderBlock->build() (line 191 of modules/custom/hic_header/src/Plugin/Block/HeaderBlock.php).
Warning: array_flip(): Can only flip STRING and INTEGER values! in Drupal\Core\Entity\EntityStorageBase->loadMultiple() (line 312 of core/lib/Drupal/Core/Entity/EntityStorageBase.php).
