From 0c45e734567bfedd61bcf2e4a5a011574639711e Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Tue, 26 Feb 2019 11:59:57 +0100
Subject: [PATCH] Event creation: Throw user back if validation of previous
 step fails

---
 src/pretix/control/views/main.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/pretix/control/views/main.py b/src/pretix/control/views/main.py
index 6528570600..37110aa8dd 100644
--- a/src/pretix/control/views/main.py
+++ b/src/pretix/control/views/main.py
@@ -133,6 +133,13 @@ class EventWizard(SessionWizardView):
         }
         if step != 'foundation':
             fdata = self.get_cleaned_data_for_step('foundation')
+            if fdata is None:
+                fdata = {
+                    'organizer': Organizer(slug='_nonexisting'),
+                    'has_subevents': False,
+                    'locales': ['en']
+                }
+                # The show must go on, we catch this error in render()
             kwargs.update(fdata)
         return kwargs