Error while modifying order - 'NoneType' object is not subscriptable

[itsme.jas90]

I am trying to place modify orders by using these parameters but its giving error ('NoneType' object is not subscriptable). Does anyone know how to resolve this issue?

[Developer]

@Developer obj.modifyOrder(params)*

[Developer]

@itsme-jas90 modify order has different function get.modifyOrder(params)

[itsme.jas90]

@Developer Found nothing helpful in this video related to modify order issue. this video is teaching how to place order, I am done till that part.

[Developer]

@itsme-jas90 use this video as a reference

Youtube Video

[Developer]

@itsme-jas90 url = 'https://margincalculator.angelbroking.com/OpenAPI_File/files/OpenAPIScripMaster.json'
use this link to get your token

[itsme.jas90]

@Developer Yes

[Developer]

@itsme-jas90 can you get your profile info from getprofile?

[itsme.jas90]

@Developer I have picked the trading symbol from orderbook and tried that also as you can see in this screenshot. still getting same error.

[Developer]

@itsme-jas90 maybe symbol is incorrect