From d58d183b95fd4fbcd391240067e3b8fb88954ee8 Mon Sep 17 00:00:00 2001
From: Dominik George <dominik.george@teckids.org>
Date: Fri, 1 May 2020 16:01:47 +0200
Subject: [PATCH] Fix on_delete mode

---
 aleksis/core/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aleksis/core/models.py b/aleksis/core/models.py
index f7361aa23..2617e7ae2 100644
--- a/aleksis/core/models.py
+++ b/aleksis/core/models.py
@@ -257,7 +257,7 @@ class Group(ExtensibleModel):
         blank=True,
     )
 
-    type = models.ForeignKey("GroupType", on_delete=models.CASCADE, related_name="type", verbose_name=_("Type of group"), null=True, blank=True)
+    type = models.ForeignKey("GroupType", on_delete=models.SET_NULL, related_name="type", verbose_name=_("Type of group"), null=True, blank=True)
     additional_fields = models.ManyToManyField(AdditionalField, verbose_name=_("Additional fields"))
 
 
-- 
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