SAP Message 5K311 - Cannot create logical document reference for XML file &1

Diagnosis
To attach all required elements to an XML file, the system requires areference to a logical document. However, in this case, an erroroccurred while the system attempted to create the required reference forXML file &V1&.

System Response
Because the system could not create a logical document reference, no XMLfile was generated.

Procedure
If you cannot resolve the error, report it to the program owner forassistance.