Here is the error
Description:
Stopped working
Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: ninjatrader.exe
Problem Signature 02: 7.0.1000.27
Problem Signature 03: 54ee2b57
Problem Signature 04: NinjaTrader.Core
Problem Signature 05: 7.0.1000.27
Problem Signature 06: 54ee2b75
Problem Signature 07: 2e7c
Problem Signature 08: 2d
Problem Signature 09: System.ArgumentException
OS Version: 6.3.9600.2.0.0.768.101
Locale ID: 1033
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