Interactive Brokers TWS API message code
Interactive Brokers TWS API message code: 391 (invalid time format)
The error, as text you can copy
391- Kind
- TWS API message code
- Where you meet it
- In the TWS API, not in the Web API and not in an HTTP status
What does 391 (invalid time format) mean on the Interactive Brokers API?
Listed by the vendor as "The time or time-zone entered is invalid. The correct format is hh:mm:ss xxx". The vendor's page adds no notes for this code.
Risk warning: CFDs and spread bets are complex instruments and come with a high risk of losing money rapidly due to leverage. You can lose money on these products, and each provider publishes its own loss figure under FCA rules. You should consider whether you understand how they work and whether you can afford to take the high risk of losing your money. Automated and API trading can amplify losses through bugs, connectivity failures and runaway orders.
How do I fix 391 (invalid time format)?
The message gives the expected format, hh:mm:ss followed by a time zone. The vendor's page adds no further remedy.