No POD found for encode_gen.h. Time to read the source?
encode_gen.h
To install JSON::XS::ByteString, copy and paste the appropriate command in to your terminal.
cpanm
cpanm JSON::XS::ByteString
CPAN shell
perl -MCPAN -e shell install JSON::XS::ByteString
For more information on module installation, please visit the detailed CPAN module installation guide.