If you use a module's methods without "use Module" statement, it gives a an error similar to the one given by you.

[samar@malena ~]$ perl -e 'LWP::Protocol::https::Socket->new()'
Can't locate object method "new" via package "LWP::Protocol::https::So
+cket" (perhaps you forgot to load "LWP::Protocol::https::Socket"?) at
+ -e line 1.
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Is it the case?