Error message
Warning: Undefined array key 0 in Drupal\hrsd_main\Plugin\Block\nodeBanner->build() (line 90 of modules/custom/hrsd_main/src/Plugin/Block/nodeBanner.php).Warning: Trying to access array offset on null in Drupal\hrsd_main\Plugin\Block\nodeBanner->build() (line 90 of modules/custom/hrsd_main/src/Plugin/Block/nodeBanner.php).