Fixed passenger installation

web/templates/pages/extmodules.php

@@ -12,6 +12,18 @@
 
 <div class="container">
 
+	<?php
+if (!empty($error_message)) {
+?>
+	<div class="u-text-center inline-alert inline-alert-danger u-mb20" role="alert">
+		<i class="fas fa-circle-exclamation"></i>
+		<p><?= $error_message ?></p>
+	</div>
+<?php
+}
+?>
+
+
 	<h1 class="u-text-center u-hide-desktop u-mt20 u-pr30 u-mb20 u-pl30"><?= _("List modules") ?></h1>
 
 	<div class="units-table js-units-container">