Gevalideerd door het legacy systeem — Angular voegt hier geen eigen validatie toe.
} @if (banner) { } @if (fieldErrors['surname']; as error) {{{ error }}
} @if (fieldErrors['address.number']; as error) {{{ error }}
} @if (fieldErrors['address.postalCode']; as error) {{{ error }}
} @if (fieldErrors['email']; as error) {{{ error }}
} @if (fieldErrors['phone']; as error) {{{ error }}
}