2499197 - Message XML Error: A pseudo attribute name is expected

You are trying to send XML Messages in PI but the messages are failing with: 

AFW; com.sap.aii.adapter.xi.routing.RoutingException: Unable to parse XML message payload to extract operation for receiver determinationorg.xml.sax.SAXParseException; lineNumber: X; columnNumber: X; A pseudo attribute name is expected.

• PI Release Independent
• SAP NetWeaver
• SAP Process Integration

Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI , KBA , BC-XI-CON-MSG , Messaging System , BC-NWA-XPI , Process Integration (PI) Monitoring , Problem