IBKR Data Downloader Exception

[jaredbroad]

Expected Behavior

Able to download options data on IBKR

Actual Behavior

Runtime exception looking up IBKR Symbols

20240514 21:08:17.198 TRACE:: InteractiveBrokersBrokerage.LookupSymbols(): Requesting symbol list for AAPL ... 20240514 21:08:17.218 ERROR:: <>c__DisplayClass9_0.b__0(): System.NullReferenceException: Object reference not set to an instance of an object. at QuantConnect.Brokerages.InteractiveBrokers.InteractiveBrokersBrokerage.LookupSymbols(Symbol symbol, Boolean includeExpired, String securityCurrency) at QuantConnect.ToolBox.IBDownloader.IBDataDownloader.GetChainSymbols(Symbol symbol, Boolean includeExpired) at QuantConnect.ToolBox.IBDownloader.IBDataDownloader.Get(DataDownloaderGetParameters dataDownloaderGetParameters)

Potential Solution

Review and address

Reproducing the Problem

Excellent post here: https://www.quantconnect.com/forum/discussion/17071/download-and-backtest-options-data-locally-with-lean-cli-and-interactive-brokers/p1

Checklist

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