2451304 - Error: You receive error BODI-1111469 importing WADL function in SAP Data Services

When trying to import a function metadata from webservice WADL type data store it fails as follows in SAP Data Services:

ERROR: An error occurred while importing metadata: %1 (BODI-1111469)The adapter XML for function <…>contains parsing errors in the object: <XML parser failed: Error <system or public id expected> at line < n>, char <space> in  <<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> ...

The error message sometimes shows garbage characters

SAP Data Services 14.2 SP8

BODS, DS, WADL function import, Error BODI-1111469 , KBA , EIM-DS-EXE , Job Execution , Problem