Changed config name and wrapped long line

ckan/controllers/package.py

@@ -667,7 +667,8 @@ def new_resource(self, id, data=None, errors=None, error_summary=None):
                 except NotFound:
                     abort(404, _('The dataset {id} could not be found.'
                                  ).format(id=id))
-                if asbool(config.get('ckan.dataset.create.require.resource', 'True')) and not len(data_dict['resources']):
+                if asbool(config.get('ckan.dataset.create_on_ui_requires_resources', 'True')) \
+                    and not len(data_dict['resources']):
                     # no data and configured to require resource so keep on page
                     msg = _('You must add at least one data resource')
                     # On new templates do not use flash message