Fusion Cloud -Unable to add a new line for an existing AR invoice using REST API

Summary:

We are trying to add a new line to the existing 'Incomplete' AR invoice for both Manual and DOO sources. We are getting error:400Bad Request.

Content (please ensure you mask any confidential information):

We tried the following 2 options,

• REST API: Create a receivables invoice line &

/fscmRestApi/resources/11.13.18.05/receivablesInvoices/{CustomerTransactionId}/child/receivablesInvoiceLines

• Update a receivables invoice

/fscmRestApi/resources/11.13.18.05/receivablesInvoices/{CustomerTransactionId}

Version (include the version you are using, if applicable):Oracle Fusion Cloud Applications-23D

Code Snippet (add any code snippets that support your topic, if applicable):

{

            "Description" : "Charger2",

            "LineNumber": 4,

            "Quantity": 4,

            "UnitSellingPrice": 65.45

 }

is it feasible to add a new line on the existing AR invoice with Incomplete status? Thanks for your help.