diff --git a/native/components/user-list-user.react.js b/native/components/user-list-user.react.js
--- a/native/components/user-list-user.react.js
+++ b/native/components/user-list-user.react.js
@@ -58,7 +58,7 @@
       this.props.onSelect(userInfo.id);
       return;
     }
-    Alert.alert(userInfo.alert.title, userInfo.alert.text, [{ text: 'OK' }], {
+    Alert.alert(userInfo.alert?.title, userInfo.alert?.text, [{ text: 'OK' }], {
       cancelable: true,
     });
   };
diff --git a/web/chat/chat-thread-composer.react.js b/web/chat/chat-thread-composer.react.js
--- a/web/chat/chat-thread-composer.react.js
+++ b/web/chat/chat-thread-composer.react.js
@@ -131,6 +131,36 @@
   const onSelectUserFromSearch = React.useCallback(
     (userItem: UserListItem) => {
       setUsernameInputText('');
+      if (!userItem.alert) {
+        setUserInfoInputArray(previousUserInfoInputArray => [
+          ...previousUserInfoInputArray,
+          { id: userItem.id, username: userItem.username },
+        ]);
+      } else if (
+        userItem.notice === notFriendNotice &&
+        userInfoInputArray.length === 0
+      ) {
+        const newUserInfoInputArray = [
+          { id: userItem.id, username: userItem.username },
+        ];
+        setUserInfoInputArray(newUserInfoInputArray);
+        const threadInfo = existingThreadInfoFinderForCreatingThread({
+          searching: true,
+          userInfoInputArray: newUserInfoInputArray,
+        });
+        dispatch({
+          type: updateNavInfoActionType,
+          payload: {
+            chatMode: 'view',
+            activeChatThreadID: threadInfo?.id,
+            pendingThread: threadInfo,
+          },
+        });
+      } else {
+        pushModal(
+          <Alert title={userItem.alert?.title}>{userItem.alert?.text}</Alert>,
+        );
+      }
       if (!userItem.alert) {
         setUserInfoInputArray(previousUserInfoInputArray => [
           ...previousUserInfoInputArray,