If I try with cpan, i get now: 
t/02_config.................NOK 31
#   Failed test 'config dies when RENDER_LOGIN is passed a hashref'
#   at t/02_config.t line 93.
# expecting: Regexp ((?-xism:parameter RENDER_LOGIN is not a coderef))
# found: Bizarre copy of ARRAY in sassign at /usr/share/perl/5.8/Carp/
+Heavy.pm line 39.
# Looks like you failed 1 test of 69.
t/02_config.................dubious
        Test returned status 1 (wstat 256, 0x100)

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Is this an error of Plugin::Authentication or my fault?

In reply to Re^3: installation of CGI::Application::Plugin::Authentication failed by Anonymous Monk
in thread installation of CGI::Application::Plugin::Authentication failed by chris-

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