you run Perl. How to really fix the problem can be found in
L<perllocale> section B<LOCALE PROBLEMS>.
+=item perlio: unknown layer "%s"
+
+(S) An attempt was made to push an unknown layer onto the Perl I/O
+system. (Layers take care of transforming data between external and
+internal representations.) Note that some layers, such as C<mmap>,
+are not supported in all environments. If your program didn't
+explicitly request the failing operation, it may be the result of the
+value of the environment variable PERLIO.
+
=item Permission denied
(F) The setuid emulator in suidperl decided you were up to no good.
The function indicated isn't implemented on this architecture, according
to the probings of Configure.
-=item The stat preceding C<-l _> wasn't an lstat
+=item The stat preceding %s wasn't an lstat
(F) It makes no sense to test the current stat buffer for symbolic
linkhood if the last stat that wrote to the stat buffer already went