sir,

How to solved the issue when I go Live a strategy?

Runtime Error: System.Exception: Execution Security Error: Memory Usage Maxed Out - 512MB max, with last sample of 620MB.
at QuantConnect.Isolator.ExecuteWithTimeLimit (System.TimeSpan timeSpan, System.Func`1[TResult] withinCustomLimits, System.Action codeBlock, System.Int64 memoryCap) [0x002a0] in <68fc84a88c4041728036faf7fa669099>:0
at QuantConnect.Lean.Engine.Engine.Run (QuantConnect.Packets.AlgorithmNodePacket job, QuantConnect.Lean.Engine.AlgorithmManager manager, System.String assemblyPath) [0x0078d] in <3a1651000b144452bca38e38042f3f2a>:0 Stack Trace: System.Exception: Execution Security Error: Memory Usage Maxed Out - 512MB max, with last sample of 620MB.
at QuantConnect.Isolator.ExecuteWithTimeLimit (System.TimeSpan timeSpan, System.Func`1[TResult] withinCustomLimits, System.Action codeBlock, System.Int64 memoryCap) [0x002a0] in <68fc84a88c4041728036faf7fa669099>:0
at QuantConnect.Lean.Engine.Engine.Run (QuantConnect.Packets.AlgorithmNodePacket job, QuantConnect.Lean.Engine.AlgorithmManager manager, System.String assemblyPath) [0x0078d] in <3a1651000b144452bca38e38042f3f2a>:0