meaning of 'none' in the shell

[Peter J Etheridge]

Dear Fellow Erlangers,
This module used to run. I have broken it somehow.
Now I get;
 >mnesia:delete_schema([node()]).ok>mnesia:create_schema([node()]).ok>mnesia:start().ok>c(usrdb).{ok,usrdb}>usrdb:init()none>

What does 'none' mean in the shell?
Where should i be looking for my error?
Thank you in advance.
Happy programming to all,Peter


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