@ -574,7 +574,8 @@ class InvitationOutgoingViewSet(InvitationBaseViewSet):
return Response(content, status=status.HTTP_400_BAD_REQUEST)
if not permissions.is_collection_admin(collection, request.user):
raise PermissionDenied('User is not an admin of this collection')
raise PermissionDenied({'code': 'admin_access_required',
'detail': 'User is not an admin of this collection'})
serializer.save(collection=collection)