icingaweb2/application/views/scripts/config/logging.phtml

<?= $this->tabs->render($this); ?>

<?php $errors = $this->form->getErrorMessages(); ?>

<?php if ($this->successMessage): ?>
<div class="alert alert-success">
  <i>{{OK_ICON}}</i>
  <strong><?= $this->escape($this->successMessage); ?></strong>
</div>
<?php endif; ?>

<?php if (!empty($errors)) : ?>
<div class="alert alert-danger">
  <h4>Errors occured when trying to save the project.</h4>
  <p>
      The following errors occured when trying to save the configuration:
  </p>
  <ul>
    <?php foreach($errors as $error): ?>
    <li><?= $this->escape($error) ?></li>
    <?php endforeach; ?>
  </ul>
</div>

<?php endif; ?>
<?= $this->form ?>