B47-Exception-Loading-Compiled-Strategy-at-launch

CODE:
2/3/2022 22:25:08:454
WL7
Exception Loading Compiled Strategy (StrategyBase): No parameterless constructor defined for type 'StrategyBase'.
MissingMethodException
No parameterless constructor defined for type 'StrategyBase'.
   at System.RuntimeType.CreateInstanceDefaultCtorSlow(Boolean publicOnly, Boolean wrapExceptions, Boolean fillCache)
   at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, Boolean wrapExceptions)
   at System.Activator.CreateInstance(Type type, Boolean nonPublic, Boolean wrapExceptions)
   at System.Activator.CreateInstance(Type type)
   at CodeObject.CalcMerchant(Type , CodeObject )
   at WealthLab.Core.TypeLoader.CreateInstance(Type t)
   at TemplateDescriptor.CalcAttr(Object , Type , TemplateDescriptor )
   at WealthLab.Backtest.StrategyFactory.Initialize()