3375906 - Error: “Language Key (KNA1-SPRAS) is a required entry field” While Creating a Business Partner

Using the OData API_BUSINESS_PARTNER, upon trying to create a Business Partner, the system throws the error:

'Language Key (KNA1-SPRAS) is a required entry field'.

SAP S/4HANA Cloud Public Edition

To perform the POST call:

1. Login to the third-party tool
2. Perform a POST operation for the API Business Partner - Replicate from Client to SAP S/4HANA Cloud

Example of the query:

https://myxxxxxx-adm.s4hana.ondemand.com/sap/bc/srt/scs_ext/sap/businesspartnersuitebulkreplic?MessageId=${=java.util.UUID.randomUUID()}

where xxxxxx represents the tenant URL of the S/4HANA cloud system

Sample Request Payload as below:
--------------------------------------------------------------
{

  "BusinessPartner": "string",

  "AcademicTitle": "stri",

  "AuthorizationGroup": "stri",

  "BusinessPartnerCategory": "s",

  "BusinessPartnerGrouping": "stri",
.

.

.

  "Language": "st",
.

.

.

.

}
--------------------------------------------------------------

System throws the error:
--------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>

<error xmlns="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata">

<code>CVI_API/003</code>

<message xml:lang="en">Language Key (KNA1-SPRAS) is a required entry field</message>

.

.

.
</error>
 --------------------------------------------------------------

The standard communication which is the Correspondence Language is not passed in the Request Payload.

'<CorrespondenceLanguage></CorrespondenceLanguage>'

Provide the Correspondence Language in the Request Payload and execute to create the Business Partner.

Note:

• In the Request Payload, the "CorrespondenceLanguage": "st", refers to the Correspondence language (written) for Business Partners in the 'Person' category. Maintain the correspondence language for Business Partners in the 'Organization' and 'Group' category with the address (communication).
• When transferring data (direct input), ensure that for a 'Person', the field 'LANGU_CORR' and for an 'Organization' or "Group" the field 'LANGU' has an entry.
  Data Element: BU_LANGU_CORR
• The "Language": "st", refers to the Language for verbal communication with a Business Partner. This language may differ from the language(s) defined for written correspondence.
  Data Element: BU_LANGU

API_BUSINESS_PARTNER

Correspondence Language, BU_LANGU, Person, BU_LANGU_CORR, Language, Business Partner, SPRAS, Organization, API_BUSINESS_PARTNER, OData, KNA1  , KBA , AP-MD-BP-BP-2CL , Data (Public Cloud) , AP-MD-BP , Business Partner , Problem