Fixed bug in regirection to registration

* Fixed bug in redirect to registration in case only one VO and one group is available

Author: vyskocilpavel

CHANGELOG.md

@@ -3,6 +3,9 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+#### Fixed
+- Fixed bug in redirect to registration in case only one VO and one group is available
+
 ## [v3.2.0]
 #### Added
 - Added filter JoinGroupsAndEduPersonEntitlement

www/perun_identity_choose_vo_and_group.php

@@ -45,7 +45,7 @@
 } elseif (count($groupsForRegistration) == 1) {
     $params = [];
     $vo = explode(':', $groupsForRegistration[0]->getUniqueName(), 2)[0];
-    $group = $groupsForRegistration[0]->getName();
+    $group = $groupsForRegistration[0]->getName()[0];
     $callback = Module::getModuleURL('perun/perun_identity_callback.php', ['stateId' => $stateId]);
 
     $params['vo'] = $vo;