/usr/lib64/perl5/ suggests you are using the system perl, and /nfs/home/.../perl5/perllib/lib/perl5 suggests a manually provided addition to @INC. Sounds like this manually added path is garbage (belonds to a different perl).

What's the output of

perl -M5.010 -e'
   say for @INC;
   say "$_: $ENV{$_}" for sort grep /^PERL/, keys(%ENV);
'
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(Best to use a different word rather than ... for private info.)