Replaces Exception for Error Logging when OnData for Custom Data is not Defined
Replaces Exception for Error Logging when OnData for Custom Data is not Defined

StefanoRaggi/Lean,AlexCatarino/Lean,jameschch/Lean,StefanoRaggi/Lean,Jay-Jay-D/LeanSTP,JKarathiya/Lean,Jay-Jay-D/LeanSTP,Jay-Jay-D/LeanSTP,JKarathiya/Lean,jameschch/Lean,StefanoRaggi/Lean,AlexCatarino/Lean,AlexCatarino/Lean,AlexCatarino/Lean,StefanoRaggi/Lean,jameschch/Lean,Jay-Jay-D/LeanSTP,jameschch/Lean,JKarathiya/Lean,QuantConnect/Lean,QuantConnect/Lean,QuantConnect/Lean,Jay-Jay-D/LeanSTP,StefanoRaggi/Lean,JKarathiya/Lean,jameschch/Lean,QuantConnect/Lean