Attention:
Error message
Warning: simplexml_load_file(): I/O warning : failed to load external entity "" in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 26 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "channel" on bool in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 28 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "item" on null in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 28 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "title" on null in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 28 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "channel" on bool in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 29 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "item" on null in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 29 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "link" on null in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 29 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "channel" on bool in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 30 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "item" on null in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 30 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Warning: Attempt to read property "description" on null in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 30 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).
Deprecated function: strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\emergency\Plugin\Block\EmergencyBlock->build() (line 32 of modules/custom/emergency/src/Plugin/Block/EmergencyBlock.php).