Error on calling 'OnStateChange' method: Object reference not set to an instance

cincai

Senior Member

Join Date: Nov 2020

Posts: 215
#1

Error on calling 'OnStateChange' method: Object reference not set to an instance

04-08-2021, 09:29 PM

When I do the testing on the strategy analyzer with optimization.

Can i know what is the issues with this one ??
Is that something like = new Series<double>(this, MaximumBarsLookBack.TwoHundredFiftySix); will not be carry out ??
Attached Files
Tags: None
bltdavid

Senior Member

Join Date: Dec 2013

Posts: 3410
#2

04-08-2021, 10:14 PM

What State are you in when the error occurs?
Comment
cincai

Senior Member

Join Date: Nov 2020

Posts: 215
#3

04-08-2021, 11:24 PM

State == State.Configure
Comment
NinjaTrader_Kate

NinjaTrader Customer Service

Join Date: Apr 2018

Posts: 5219
#4

04-09-2021, 07:09 AM

Hello cincai,

Thank you for your post.

Could you provide a code sample of what you have in State.Configure? I would be happy to look and see if there's anything obvious that would cause an error.

Thanks in advance; I look forward to assisting you further.

Kate W.NinjaTrader Customer Service
Comment

Topics	Statistics	Last Post
Chart trading from charts with "one click" by StockTrader88 Started by StockTrader88, 03-06-2021, 08:58 AM	44 responses 3,964 views 3 likes	Last Post by jhudas88 Today, 06:59 PM
Strategy not entering short in strategy analyzer by rbeckmann05 Started by rbeckmann05, Today, 06:48 PM	0 responses 4 views 0 likes	Last Post by rbeckmann05 Today, 06:48 PM
Not able to login to Ninjatrader by rhyminkevin Started by rhyminkevin, Today, 04:58 PM	4 responses 52 views 0 likes	Last Post by dp8282 Today, 06:13 PM
Using ipad to trade by iceman2018 Started by iceman2018, Today, 05:07 PM	0 responses 5 views 0 likes	Last Post by iceman2018 Today, 05:07 PM
How do I merge Workspace A with Workspace B? by lightsun47 Started by lightsun47, Today, 03:51 PM	0 responses 8 views 0 likes	Last Post by lightsun47 Today, 03:51 PM

Announcement