create multiple AP invoice using rest API

Summary:

I am trying to create multiple invoice using REST API fscmRestApi/resources/11.13.18.05/invoices.

I have attached request payload and error screenshot.

if I am using single invoice request payload then it is working correctly. but when trying to create multiple AP invoice then getting issue

"The value for the Business Unit, Supplier, Supplier Site attribute is invalid. You must provide a valid value. (AP-810667)"

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