# Is metadataPrefix supported by the repository?
my $mdp = param('metadataPrefix') || '';
if ( $mdp && !grep { $_ eq $mdp } @{$self->{ koha_metadata_format }} ) {
- push @errs, new HTTP::OAI::Error(
+ push @errs, HTTP::OAI::Error->new(
code => 'cannotDisseminateFormat',
message => "Dissemination as '$mdp' is not supported",
);