Troubleshooting

Common messages and what to do.

You seeMeaning and fix
Sign in to use Thundera AINo valid session. Sign in; if you just did, reload — cookies are set by auth.thundera.eu.
Your session expired. Sign in again to continue.The API returned 401 mid-chat. Sign in again; your message stays in the conversation.
Your monthly AI allowance is used up.Plan limit reached (402). Upgrade at billing or wait for the month to roll over (UTC).
Too many requests. Try again in a moment.Rate limit (429): 20 chat requests per minute.
AI provider unavailable.The gateway or the model behind the alias failed. Try another model, or retry shortly. Check status.
AI provider returned no response.The model produced an empty answer. Rephrase and retry.
Conversation storage is unavailable right now.The database is unreachable (503). Chat history and new chats resume when it recovers.
The model list is unavailable./api/models failed. Reload the page.