Woocommerce – Checkout error message

you can try it for address not required .

add_filter( 'woocommerce_billing_fields', 'wc_optional_billing_fields', 10, 1 );
function wc_optional_billing_fields( $address_fields ) {
    $address_fields['billing_address_1']['required'] = false;
    $address_fields['billing_address_2']['required'] = false;
    return $address_fields;
}