SB-PRESET-400That preset code isn't valid
What happened
The sbp1:… code couldn't be read. Usually it was truncated when copied.
What to do
Ask whoever shared it to run /preset export again and copy the whole line.
Still stuck?
The message that showed you this code also carries a short trace id — something like trace f3a9c2. Paste the whole footer line into the support server and your exact request can be looked at directly. Never paste an API key or private message content.