my $itemnumber = $query->param('item');
my $borrowernumber = $query->param("borrowernumber");
-my $status = CanBookBeRenewed( $borrowernumber, $itemnumber );
+my ($status,$error) = CanBookBeRenewed( $borrowernumber, $itemnumber );
if ( $status == 1 ) {
AddRenewal( $borrowernumber, $itemnumber );
}