unable to update quantity of expanded item in cart using Storefront API

[jon2022]

I'm using Cart Transorme to expand specific cart item and it's working correctly as expected but when i tried to update the quantity of expanded item using StoreFront api: mutation => "cartLinesUpdate", shopify return "INTERNAL_SERVER_ERROR"

this is the payload :

and the response :

  

when i remove the expanded item from cart using cartLinesUpdate mutation and setting the quantity property to 0 it works though

requestId: "7cebd26e-1b16-4e11-96f4-7fb9fb836d94"