Error message
- Warning: Undefined array key "field_activity_category" in Drupal\openy_activity_finder\Plugin\Block\ActivityFinder4Block->build() (line 127 of modules/contrib/yusaopeny_activity_finder/src/Plugin/Block/ActivityFinder4Block.php).
- Warning: foreach() argument must be of type array|object, null given in Drupal\openy_activity_finder\Plugin\Block\ActivityFinder4Block->build() (line 129 of modules/contrib/yusaopeny_activity_finder/src/Plugin/Block/ActivityFinder4Block.php).