diff -r d3738ac909d8 -r 94d1e40f7954 client/src/sagas/networkSaga.js
--- a/client/src/sagas/networkSaga.js	Fri Aug 04 10:46:17 2017 +0200
+++ b/client/src/sagas/networkSaga.js	Fri Aug 04 11:26:49 2017 +0200
@@ -47,7 +47,7 @@
     yield put(setOnlineStatus(false));
     //TODO: This is ugly...
     const data = error.data;
-    if ((data.non_field_errors &&
+    if ((data && data.non_field_errors &&
       data.non_field_errors &&
       data.non_field_errors.length &&
       data.non_field_errors.length > 0 &&