$err{debarcardnumber} = $borrower->{cardnumber};
$err{debarborrowernumber} = $borrower->{borrowernumber};
$err{debarname} = "$borrower->{firstname} $borrower->{surname}";
$err{debarcardnumber} = $borrower->{cardnumber};
$err{debarborrowernumber} = $borrower->{borrowernumber};
$err{debarname} = "$borrower->{firstname} $borrower->{surname}";