From e100ffbc14a0b09e86bedabc0187e12b0b2bb00a Mon Sep 17 00:00:00 2001
From: Cody Henthorne <cody@signal.org>
Date: Thu, 7 May 2026 16:17:34 -0400
Subject: [PATCH] Fix crash during group call peek with unknown members.

---
 .../org/thoughtcrime/securesms/groups/GroupManagerV2.java  | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/groups/GroupManagerV2.java b/app/src/main/java/org/thoughtcrime/securesms/groups/GroupManagerV2.java
index 688e787a4d..054cef5ff1 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/groups/GroupManagerV2.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/groups/GroupManagerV2.java
@@ -175,7 +175,12 @@ final class GroupManagerV2 {
 
     Map<UUID, UuidCiphertext> uuidCipherTexts = new HashMap<>();
     for (Recipient recipient : recipients) {
-      uuidCipherTexts.put(recipient.requireServiceId().getRawUuid(), clientZkGroupCipher.encrypt(recipient.requireServiceId().getLibSignalServiceId()));
+      Optional<ServiceId> serviceId = recipient.getServiceId();
+      if (serviceId.isPresent()) {
+        uuidCipherTexts.put(serviceId.get().getRawUuid(), clientZkGroupCipher.encrypt(serviceId.get().getLibSignalServiceId()));
+      } else {
+        Log.w(TAG, "Recipient " + recipient.getId() + " has no ServiceId, skipping for group call peek");
+      }
     }
 
     return uuidCipherTexts;