redirect already used trial version

configure_thurvcloud.tpl

@@ -1,5 +1,5 @@
 {if ($productinfo.paytype eq 'free') && in_array($productinfo.pid, $clientPids)}
-    <div class="alert alert-error">Blubb</div>
+    <div class="alert alert-danger">Blubb</div>
 {else}
 {include file="orderforms/{$carttpl}/common.tpl"}