Fix crash
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@ -126,7 +126,7 @@ const int32_t kGroupIdLength = 16;
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if ([membersWhoLeft count] > 0) {
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NSArray *oldMembersNames = [[membersWhoLeft allObjects] map:^NSString*(NSString* item) {
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return [LKUserDisplayNameUtilities getPrivateChatDisplayNameAvoidWriteTransaction:item];
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return [LKUserDisplayNameUtilities getPrivateChatDisplayNameAvoidWriteTransaction:item] ?: item;
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}];
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updatedGroupInfoString = [updatedGroupInfoString
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stringByAppendingString:[NSString
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