Fix HTTP 500 error handling during room deletion

Author: ArnavBallinCode

app/eventyay/orga/views/schedule.py

@@ -512,11 +512,17 @@ def delete_handler(self, request, *args, **kwargs):
             obj = self.get_object()
             obj.deleted = True
             obj.save(update_fields=['deleted'])
-            messages.success(request, phrases.base.success)
+            messages.success(request, _('The selected room has been deleted.'))
             return redirect(self.get_success_url())
         except ProtectedError:
             messages.error(
                 request,
                 _('There is or was a session scheduled in this room. It cannot be deleted.'),
             )
             return self.delete_view(request, *args, **kwargs)
+        except Exception as e:
+            messages.error(
+                request,
+                _('An error occurred while deleting the room: {}').format(str(e)),
+            )
+            return self.delete_view(request, *args, **kwargs)