logilab-devtools #9066 Suspicious message lgp build => Can't exec "locale" [resolved]

While runing lgp build -d all (on cubes/book), the following messages appear

Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16.
Use of uninitialized value in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17.
debconf: delaying package configuration, since apt-utils is not installed
prioritynormal
typebug
done in0.16.2
load0.500
load left0.000
closed by<not specified>