https://userapps.support.sap.com/sap/support/knowledge/en/3614552
3614552 - SOAP Error Code EDOCUMENT_ES_SII008 | SAP Knowledge Base Article
The message 'SOAP error code' (EDOCUMENT_ES_SII008) is primarily triggered by an expired certificate from the tax authority, among other potential causes. This...
error codesap knowledgesoapedocument