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-rw-r--r--modern/src/main/MainPage.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/modern/src/main/MainPage.js b/modern/src/main/MainPage.js
index 3669dd50..90e1b920 100644
--- a/modern/src/main/MainPage.js
+++ b/modern/src/main/MainPage.js
@@ -196,7 +196,7 @@ const MainPage = () => {
let { groupId } = device;
while (groupId) {
groupIds.push(groupId);
- groupId = groups[groupId].groupId;
+ groupId = groups[groupId]?.groupId || 0;
}
return groupIds;
};