Something run by cron broke on update, possible missing ruby bits

[elvis]

Hi All,

I am getting thing error from cron, it started happening on the update 
to Stretch and Buster did not fix it.

It looks like something missing from Ruby, but I am not able to find it 
searching and I have no idea about ruby anyway.


Perhaps someone can help.



/etc/cron.weekly/dhelp:
/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot 
load such file -- bdb (LoadError)
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in 
`require'
        from /usr/lib/ruby/vendor_ruby/dhelp.rb:21:in `<top (required)>'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in 
`require'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in 
`require'
        from /usr/sbin/dhelp_parse:32:in `<main>'
/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot 
load such file -- bdb (LoadError)
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in 
`require'
        from /usr/lib/ruby/vendor_ruby/dhelp.rb:21:in `<top (required)>'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in 
`require'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in 
`require'
        from /usr/sbin/dhelp_parse:32:in `<main>'
run-parts: /etc/cron.weekly/dhelp exited with return code 1



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