On refdb set command if sheet-names.cfg is missing:

<verbatim>

$ refdb set db sheet col row data

Error: (open-output-file) cannot open file - No such file or directory: "db/sheet-names.cfg"

        Call history:

        refdb.scm:149: main
        refdb.scm:136: argv
        refdb.scm:64: string->symbol
        refdb-module.scm:702: ##sys#get-keyword
        refdb-module.scm:703: conc
        refdb-module.scm:706: refdb#conf-get-record
        refdb-module.scm:775: conc
        refdb-module.scm:775: file-exists?
        refdb-module.scm:778: dat-lookup
        refdb-module.scm:472: filter
        refdb-module.scm:707: file-exists?
        refdb-module.scm:711: add-sheet
        refdb-module.scm:608: refdb#list-sheets
        refdb-module.scm:603: file-exists?
        refdb-module.scm:609: conc
        refdb-module.scm:609: with-output-to-file               <--
</verbatim>