no such file to load -- msgpack (

[Lars Schouw]

I am getting this error what does it mean?

$ kumoctl localhost attach
/usr/local/bin/kumoctl:24:in `require': no such file to load --
msgpack (LoadError)
from /usr/local/bin/kumoctl:24

I successfully ran these:

[localhost]$ kumo-manager -v -l localhost
[localhost]$ kumo-server -v -m localhost -l localhost:19801 -L 19901 -
s ./kumodb1.tch # -l is RPC address
[localhost]$ kumo-server -v -m localhost -l localhost:19802 -L 19902 -
s ./kumodb2.tch # and port, -L is
[localhost]$ kumo-server -v -m localhost -l localhost:19803 -L 19902 -
s ./kumodb3.tch # stream port.