Software error:

Can't locate Digest/SHA/PurePerl.pm in @INC (@INC contains: ./nsolib /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8 .) at nsolib/NsoMisc.pm line 1450.
BEGIN failed--compilation aborted at nsolib/NsoMisc.pm line 1450.
Compilation failed in require at nsolib/NsoFileConfig.pm line 13.
BEGIN failed--compilation aborted at nsolib/NsoFileConfig.pm line 13.
Compilation failed in require at nsolib/Config/NsoSystem.pm line 12.
BEGIN failed--compilation aborted at nsolib/Config/NsoSystem.pm line 12.
Compilation failed in require at nsolib/NsoVersionPC.pm line 13.
BEGIN failed--compilation aborted at nsolib/NsoVersionPC.pm line 13.
Compilation failed in require at basket.cgi line 16.
BEGIN failed--compilation aborted at basket.cgi line 16.

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