zef install Linenoise: Use of Nil in string context, (Linenoise)line 15

This message appears when installing Linenoise

<---
$ zef install Linenoise 

===> Installing: Linenoise:ver<0.1.1>:auth<Rob Hoelz>
Use of Nil in string context
  in block  at home#sources/0BDF8C54D33921FEA066491D8D13C96A7CB144B9 (Linenoise) line 15
--->

The above mentioned line is:

<---
$ sed -n '15p' .perl6/sources/0BDF8C54D33921FEA066491D8D13C96A7CB144B9

my constant LIBLINENOISE = %?RESOURCES<libraries/linenoise>.Str;
--->

This is a post on the %?RESOURCES variable:

https://hoelz.ro/blog/distributing-helper-libraries-with-perl6-modules

Nevertheless, I have fail to to solve this issue. Any hints appreciated.

Thanks!


P.D.: Perl6 info:
<---
$ perl6 -v 

This is Rakudo version 2018.02 built on MoarVM version 2018.02
implementing Perl 6.c.
--->

-- 
(≧∇≦) Mimosinnet (Linux User: #463211)

• zef install Linenoise: Use of Nil in string context, (Linenoise)line 15 by mimosinnet
• Re: zef install Linenoise: Use of Nil in string context, (Linenoise)line 15 by Todd Chester
• Re: zef install Linenoise: Use of Nil in string context, (Linenoise)line 15 by mimosinnet
• Re: zef install Linenoise: Use of Nil in string context, (Linenoise)line 15 by ToddAndMargo