G'day varalaxmibbnl,

The message you're getting repeatedly is:

"Please see the DateTime::Locale distribution's Changes file for details ..."

If you do look at that file (http://cpansearch.perl.org/src/DROLSKY/DateTime-Locale-0.45/Changes), you'll see it starts off:

0.45   2010-03-19

- Installing this release will cause older versions of
  DateTime::Format::Strptime to warn like crazy. ...
[download]

I'll leave you to read further.