check if the I18NString is an object or just a string (happens when only one content language is defined), re #154

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/classes/coursewizardsteps/AdvancedBasicDataWizardStep.php b/lib/classes/coursewizardsteps/AdvancedBasicDataWizardStep.php
index 1843084..595c5fe 100644
--- a/lib/classes/coursewizardsteps/AdvancedBasicDataWizardStep.php
+++ b/lib/classes/coursewizardsteps/AdvancedBasicDataWizardStep.php
@@ -132,9 +132,9 @@ class AdvancedBasicDataWizardStep extends BasicDataWizardStep
 
         $values[__CLASS__] = array_merge($values[__CLASS__], [
             'subtitle' => $course->untertitel,
-            'subtitle_i18n' => $course->untertitel->toArray(),
+            'subtitle_i18n' => is_object($course->untertitel) ? $course->untertitel->toArray() : $course->untertitel,
             'kind' => $course->art,
-            'kind_i18n' => $course->art->toArray(),
+            'kind_i18n' => is_object($course->art) ? $course->art->toArray() : $course->art,
             'ects' => $course->ects,
             'maxmembers' => $course->admission_turnout,
         ]);