Error message

• Warning: Undefined array key "function" in Drupal\Core\Utility\Error::getLastCaller() (line 130 of core/lib/Drupal/Core/Utility/Error.php).
• Warning: Undefined array key "function" in Drupal\Core\Utility\Error::getLastCaller() (line 130 of core/lib/Drupal/Core/Utility/Error.php).