Index: adhocracy/lib/helpers/page_helper.py
===================================================================
--- adhocracy/lib/helpers/page_helper.py	(revision 875)
+++ adhocracy/lib/helpers/page_helper.py	(revision 881)
@@ -30,4 +30,6 @@
     buf = cgi.escape(page.title)
     text_ = page.variant_head(variant)
+    if text_ is None:
+        return _("(Unknown)")
     if variant != text_.HEAD:
         buf = u"%s <code>(%s)</code>" % (buf, variant)
Index: adhocracy/templates/selection/tiles.html
===================================================================
--- adhocracy/templates/selection/tiles.html	(revision 873)
+++ adhocracy/templates/selection/tiles.html	(revision 881)
@@ -76,5 +76,5 @@
 		<div class="top_actions aside">
 			%if tile.show_new_variant_link:
-				<a class="button add" href="${h.entity_url(selection.page, member='%20/edit')}?proposal=${selection.proposal.id}">${_("new variant")}</a> 
+				<a class="button add" href="${h.entity_url(selection.page, member='branch')}?proposal=${selection.proposal.id}">${_("new variant")}</a> 
 			%else:
 				<a class="button edit" href="${h.entity_url(selection.page)}">${_("see norm")}</a>