Error message:
Checking if your kit is complete...
Looks good
Writing Makefile for YAML
JSON 2.5 is required for $ENV{PERL_JSON_BACKEND} = 'JSON::XS'
 at C:/path/to/perl/lib/CPAN/Meta/Converter.pm line 23.
 at C:/path/to/perl/lib/ExtUtils/MM_Any.pm line 1335.
END failed--call queue aborted.
Warning: No success on command[C:\path\to\perl\bin\perl.exe Makefile.PL]
'YAML' not installed, will not store persistent state
  MSTROUT/YAML-0.84.tar.gz
  C:\path\to\perl\bin\perl.exe Makefile.PL -- NOT OK
Running make test
  Make had some problems, won't test
Running make install
  Make had some problems, won't install
Could not read metadata file. Falling back to other methods to determine prerequisites
Failed during this command:
 MSTROUT/YAML-0.84.tar.gz                     : writemakefile NO 'C:\path\to\p
erl\bin\perl.exe Makefile.PL' returned status 512