spells page: Fixed errors when spells is not installed by admin.

spells.php

@@ -94,6 +94,7 @@ if (user_logged_in() && is_admin($user_data)) {
 }
 // End loading spell list
 
+if ($spells) {
 	// Preparing data
 	$configVoc = $config['vocations'];
 	$types = array_keys($spells);
@@ -236,6 +237,13 @@ if ($getVoc !== 'all') {
 	</table>
 	<a href="#spells">Jump to top</a>
 	<?php
+} else {
+	?>
+	<h1>Spells</h1>
+	<p>Spells have currently not been loaded into the website by the server admin.</p>
+	<?php
+}
+
 /* Debug tests
 foreach ($spells as $type => $spells) {
 	data_dump($spells, false, "Type: $type");