What this means
Flipnote Studio received HTTP 403 and displayed it as 340403. The server or gateway refused the request. The code alone does not identify which access or session check caused the refusal.
What to try
- Read any message shown with the error. It may explain a permission, age or account restriction.
- Check whether another menu or Flipnote opens. If only one Flipnote fails, keep its web link for support.
- If you had already signed in and the service asks you to sign in again, reopen RexiMemo and complete its normal sign-in steps.
- If an upload or comment produced the error, check whether it arrived before trying again.
- If you expect to have access and the refusal continues, contact RexiMemo support with the code and the affected action.
If the message names an account restriction, follow its instructions or the appeal guide.
Technical reference
These explanations draw on the original Flipnote Studio V2 client research in Flipnote World — Hatena responses and errors.