appwrite/app/views/general/error.phtml

<?php
$code = $this->getParam('code', 500);
$errorID = $this->getParam('errorID', 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx');
$message = $this->getParam('message', '');
$projectName = $this->getParam('projectName', '');
$projectURL = $this->getParam('projectURL', '');
?>

<section class="zone large margin-top padding">
    <h1 class="margin-bottom">Error <?php echo $code; ?></h1>

    <p><?php echo $message; ?></p>

    <small>Error ID: <?php echo $errorID; ?></small>

    <?php if (!empty($projectURL)): ?>
        <hr class="margin-top margin-bottom" />

        <p><a href="<?php echo $this->escape($projectURL); ?>" rel="noopener">Back to <?php echo $projectName; ?></a></p>
    <?php endif; ?>
</section>