@@ -, +, @@ --- admin/matching-rules.pl | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) --- a/admin/matching-rules.pl +++ a/admin/matching-rules.pl @@ -19,6 +19,8 @@ # use strict; +use warnings; + use CGI; use C4::Auth; use C4::Context; @@ -29,7 +31,7 @@ use C4::Matcher; my $script_name = "/cgi-bin/koha/admin/matching-rules.pl"; my $input = new CGI; -my $op = $input->param('op'); +my $op = $input->param('op') || ''; my ($template, $loggedinuser, $cookie) --