https://userapps.support.sap.com/sap/support/knowledge/en/3584195
3584195 - Error AFLE007 when posting with BAPI_ACC_DOCUMENT_POST | SAP Knowledge Base Article
When posting with BAPI "BAPI_ACC_DOCUMENT_POST", the following error is encountered. Message AFLE007 - "Amount too long for AMT_DOCUR".