Creating a Sale via Retail API - Invalid foreign keys for Item
I'm attempting to create a Sale via retail API with a POST request, Invalid foreign keys for Item: 210000010698'
keeps getting returned.
Below is the error returned from lightspeed api,
Below is the request body appended to the POST request
Above is the actual code executing the request
Below is the parameters passed to the "createSale" function which invocke the lightspeed POST request
Any help is greatly appreciated, Thank you