Netsuite Production Invoice Creation API Errors

Please see below the issues we encountered when creating a test invoice in the production environment. Note that these payloads have been working in Sandbox since July.

Invalid currency reference key

Error Message:

{'type': 'https://www.rfc-editor.org/rfc/rfc9110.html#section-15.5.1', 'title': 'Bad Request', 'status': 400, 'o:errorDetails': [{'detail': 'Error while accessing a resource. Invalid currency reference key Philippine Peso.', 'o:errorCode': 'USER_ERROR'}]}

JSON Payload:

{'externalId': 'Shopee_230815PHDHAUEU_staging_schedule', 'entity': {'id': '86862', 'entityId': 'Shopee_230815PHDHAUEU'}, 'class': {'refName': "Managed Services : Outright : Non-FMCG : Levi's"}, 'currency': {'refName': 'Philippine Peso'}, 'custbody19': {'refName': 'Sales Invoice'}, 'custbody4': {'refName': '4 Charlie Rose Hernandez'}, 'location': {'refName': 'Warehouse'}, 'terms': {'refName': 'Due on receipt'}, 'custbody_customer_first_name': 'Shopee', 'custbody_customer_last_name': 'Customer 230815PHDHAUEU', 'custbody_brand': 'Levis', 'item': {'items': [{'amount': 2312.5, 'custcol_4601_witaxapplies': False, 'quantity': 1, 'orderLine': 1, 'price': {'id': '1', 'refName': 'Base Price'}, 'item': {'refName': '2950710617476'}}]}}