OpenAI TTS troubleshooting
“OpenAI API key not configured”
Open Profile & settings → OpenAI TTS, enter a key, and select Save settings.
Authentication or invalid-key error
Create a new key in the OpenAI platform dashboard, replace the saved key, and revoke the old one.
Billing or quota error
Check your OpenAI API billing status, available credits, usage limits, and organization or project selection.
Remember that a ChatGPT subscription does not cover API charges.
Generation timed out
Check your network and OpenAI service status, then retry the chapter. For a long book, generate one chapter first to confirm the configuration.
Audio uses the previous voice or speed
Settings affect new generations. Existing chapter audio is not replaced automatically.