From 18766280f6500494c34f44f3d0b577b2bd073989 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael@signal.org>
Date: Fri, 23 Nov 2018 11:38:51 -0600
Subject: [PATCH] fix crash when non-registered user upgrades

---
 SignalMessaging/contacts/OWSSyncManager.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SignalMessaging/contacts/OWSSyncManager.m b/SignalMessaging/contacts/OWSSyncManager.m
index 5aed90189..bab197b47 100644
--- a/SignalMessaging/contacts/OWSSyncManager.m
+++ b/SignalMessaging/contacts/OWSSyncManager.m
@@ -215,6 +215,10 @@ NSString *const kSyncManagerLastContactSyncKey = @"kTSStorageManagerOWSSyncManag
 
 - (void)sendConfigurationSyncMessage {
     [AppReadiness runNowOrWhenAppDidBecomeReady:^{
+        if (!TSAccountManager.isRegistered) {
+            return;
+        }
+
         [self sendConfigurationSyncMessage_AppReady];
     }];
 }