I'm running a live algorithim and had a runtime error for VXXB. Says security not found.

Seems like as of May 1 VXXB got changed back to VXX. 

https://www.etf.com/sections/daily-etf-watch/volatility-etns-change-tickers?nopaging=1

Damn, I missed out on profits.

Runtime Error: No security definition has been found for the request. Origin: GetHistory: STK VXXB USD Smart Stack Trace: System.Exception: No security definition has been found for the request. Origin: GetHistory: STK VXXB USD Smart

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