<verbatim>
bash-3.00$
Error: (cadr) bad argument type: ()

        Call history:

        <syntax>          (import scheme chicken csi advice extras ports data-structures (except srfi-1 break) miscmacros)
        <syntax>          (import scheme chicken srfi-1 data-structures)
        <syntax>          (##core#undefined)
        <syntax>          (import scheme (only chicken when unless handle-exceptions let-optionals make-parameter add1 sub1))
        <syntax>          (##core#undefined)
        <syntax>          (##core#undefined)
        <syntax>          (##core#undefined)
        <syntax>          (trace)
        <eval>    (trace)
        dashboard.scm:1513: args:get-arg
        margs.scm:17: hash-table-ref/default
        dashboard.scm:1524: args:get-arg
        margs.scm:17: hash-table-ref/default
        dashboard.scm:1525: args:get-arg
        margs.scm:17: hash-table-ref/default
        dashboard.scm:1525: string-split
</verbatim>