Unable to build prerequisite module: Data-Digest (0.02) Unable to build prerequisite module: XML-Validator-Schema (1.08) Unable to build prerequisite module: Params-Util (0.10) Unable to build prerequisite module: Class-Autouse (1.23) Unable to build prerequisite module: File-ShareDir (0.02) Unable to build prerequisite module: Test-LongString (0) PITA-XML could not be built due to the above failed prerequisites.