https://userapps.support.sap.com/sap/support/knowledge/en/3611676
3611676 - BAPI: How to fix Error message M8321 - SAP ERP & SAP S/4HANA | SAP Knowledge Base Article
When using BAPI interface (BAPI_INCOMINGINVOICE_CREATE, BAPI_INCOMINGINVOICE_CREATE1, BAPI_INCOMINGINVOICE_PARK, etc.), system raises error message M8321 -...