The Required Line items by fulfillment order Field Is Missing

[Hasnain8]

Here’s the base URL to make request to:

using php packege  signifly

HTTP request returned status code 400: {"errors":"The required line_items_by_fulfillment_order field is missing."}

how can I fixed it 

[fr82]

Hi, 
Did you ever find a solution for this?

[muneeb1065]

Hi,

I am still got this same error. 

Did you ever find a solution for this?