3665703 - Error 'Failed to read external DTD' in CPI when sending confirmations from SAP ERP or SAP S4HANA to SuccessFactors Employee Central

In BIB replication scenario, when sending confirmations from SAP ERP or SAP S4HANA to SuccessFactors Employee Central, the following error is observed in CPI:

org.apache.camel.language.xpath.InvalidXPathException: Invalid xpath: //d:httpCode. Reason: javax.xml.xpath.XPathExpressionException: Failure converting a node of class javax.xml.transform.sax.SAXSource: org.xml.sax.SAXParseException; lineNumber: 5; columnNumber: 43; External DTD: Failed to read external DTD 'loose.dtd', because 'http' access is not allowed due to restriction set by the accessExternalDTD property., cause: javax.xml.xpath.XPathExpressionException: Failure converting a node of class javax.xml.transform.sax.SAXSource: org.xml.sax.SAXParseException; lineNumber: 5; columnNumber: 43; External DTD: Failed to read external DTD 'loose.dtd', because 'http' access is not allowed due to restriction set by the accessExternalDTD property.

• SAP SuccessFactors Employee Central Integration to SAP Business Suite
• SAP SuccessFactors Employee Central Integration with SAP Human Capital Management for SAP S/4HANA
• Employee Master Data Replication
• Business Integration Builder (BIB)

confirmation iflow, invalid xpath, loose.dtd, accessExternalDTD property, org.apache.camel.language.xpath.InvalidXPathException, iFlow, javax.xml.xpath.XPathExpressionException, EmployeeMasterDataReplicationConfirmation_Out, CO_PAOCF_EC_EMPLOYEE_MASTER_DA, cxf/ERP_to_EC_EmployeeMasterDataReplicationConfirmation , KBA , LOD-EC-INT-EE , Employee Integration EC to ERP On Premise , Problem