Customers email adress not updated for new orders

A subscriber, and automatically customer, changed his email adress, but when he made a new order, the billing shows his old email address.

How can I fix this?

### WordPress Environment ###

Home URL: https://grefsen.live
Site URL: https://grefsen.live/wp
WC Version: 2.6.4
Log Directory Writable: ?
WP Version: 4.6
WP Multisite: –
WP Memory Limit: 256 MB
WP Debug Mode: ?
WP Cron: ?
Language: nb_NO

### Server Environment ###

Server Info: Apache
PHP Version: 5.6.25
PHP Post Max Size: 32 MB
PHP Time Limit: 30
PHP Max Input Vars: 1000
cURL Version: 7.50.0
OpenSSL/1.0.2h

SUHOSIN Installed: –
MySQL Version: 5.6.28
Max Upload Size: 32 MB
Default Timezone is UTC: ?
fsockopen/cURL: ?
SoapClient: ?
DOMDocument: ?
GZip: ?
Multibyte String: ?
Fjernt innlegg: ?
Fjernt 'Get': ?

### Database ###

WC Database Version: 2.6.4
: 
woocommerce_sessions: ?
woocommerce_api_keys: ?
woocommerce_attribute_taxonomies: ?
woocommerce_downloadable_product_permissions: ?
woocommerce_order_items: ?
woocommerce_order_itemmeta: ?
woocommerce_tax_rates: ?
woocommerce_tax_rate_locations: ?
woocommerce_shipping_zones: ?
woocommerce_shipping_zone_locations: ?
woocommerce_shipping_zone_methods: ?
woocommerce_payment_tokens: ?
woocommerce_payment_tokenmeta: ?
MaxMind GeoIP Database: ?

### Active Plugins (37) ###

Admin Menu Editor: av Janis Elsts – 1.7.3
AsynCRONous bbPress Subscriptions: av Markus Echterhoff – 2.3
BackWPup: av Inpsyde GmbH – 3.3.4
Basic User Avatars: av Jared Atchison – 1.0.3
bbp style pack: av Robin Wilson – 3.0.2
bbP Members Only: av Jared Atchison – 1.0.1
bbPress Notify (No-Spam): av Vinny Alves (UseStrict Consulting) – 1.11.1
bbPress: av bbpress samfunnet – 2.5.10
Block Specific Plugin Updates: av Dinesh Karki – 2.2
Better Notifications for WordPress: av Voltronik – 1.6
Capability Manager Enhanced: av Jordi Canals
Kevin Behrens – 1.5.7

Custom Profile field as a Registration Field: av Ashfame – 0.1
Custom Taxonomy Order NE: av Marcel Pol – 2.7.8
Disable Responsive Images: av Joseph Fusco – 1.1
Pinpoint Booking System add-on: Stripe Payment: av Dot on Paper – 1.0.3
Pinpoint Booking System PRO: av Dot on Paper – 2.2.7
Easy Google Fonts: av Titanium Themes – 1.4.1
FakerPress: av Gustavo Bordoni – 0.4.2
GA Google Analytics: av Jeff Starr – 20160831
Gallery  Slideshow: av Jethin – 1.3.2
GD bbPress Tools: av Milan Petrovic – 1.8
Login With Ajax: av Marcus Sykes – 3.1.6
Members Restricted Access: av Manuel Costales – 3.0
Regenerate Thumbnails: av Alex Mills (Viper007Bond) – 2.2.6
WP REST API: av WP REST API Team – 2.0-beta13.1
Simple Page Ordering: av Jake Goldman
10up – 2.2.4

Simple Share Buttons Adder: av Simple Share Buttons – 6.1.5
SSL Insecure Content Fixer: av WebAware – 2.2.0
TablePress: av Tobias B?thge – 1.7
Theme My Login: av Jeff Farthing – 6.4.5
TinyMCE Custom Styles: av Tim Reeves (original author David St?ckl) – 1.0.3
WCK - Custom Fields and Custom Post Types Creator: av Cozmoslabs
Madalin Ungureanu
Cristian Antohe – 1.3.1

WooCommerce Stripe Gateway: av Automattic – 3.0.2
WooCommerce: av Woothemes – 2.6.4
WordPress Social Login: av Miled – 2.3.0
WP Mail Logging: av Christian Z?ller – 1.8.0
 

### Settings ###

Force SSL: ?
Currency: NOK (kr)
Currency Position: left_space
Thousand Separator: .
Decimal Separator: ,
Number of Decimals: 2

### API ###

API Enabled: ?

### WC Pages ###

Butikkbase: ? Side ikke satt
Handlekurv: #3151 - /cart/
Til kassen: #3152 - /checkout/
Min konto: #3153 - /my-account/

### Taxonomies ###

Product Types: external (external)
grouped (grouped)
simple (simple)
variable (variable)

### Theme ###

Name: Sage Starter Theme
Version: 8.3.0
Author URL: https://roots.io/
Child Theme: ? – Hvis du endrer WooCommerce eller et foreldertema du selv ikke bygget
anbefaler vi ? bruke et dattertema. Se: Hvordan lage et dattertema

WooCommerce Support: ?

### Templates ###

Overrides: Temaet ditt har en woocommerce.php-fil. Du vil ikke kunne overstyre woocommerce/archive-product.php egendefinerte mal siden woocommerce.php prioriteres over archive-product.php. Dette er ment til ? forhindre visningsfeil.
Overrides: grefsen-theme/.DS_Store
grefsen-theme/woocommerce/cart/cart-empty.php
grefsen-theme/woocommerce/cart/cart-item-data.php
grefsen-theme/woocommerce/cart/cart-shipping.php
grefsen-theme/woocommerce/cart/cart-totals.php
grefsen-theme/woocommerce/cart/cart.php
grefsen-theme/woocommerce/cart/cross-sells.php
grefsen-theme/woocommerce/cart/mini-cart.php
grefsen-theme/woocommerce/cart/proceed-to-checkout-button.php
grefsen-theme/woocommerce/cart/shipping-calculator.php
grefsen-theme/woocommerce/checkout/cart-errors.php
grefsen-theme/woocommerce/checkout/form-billing.php
grefsen-theme/woocommerce/checkout/form-checkout.php
grefsen-theme/woocommerce/checkout/form-coupon.php
grefsen-theme/woocommerce/checkout/form-login.php
grefsen-theme/woocommerce/checkout/form-pay.php
grefsen-theme/woocommerce/checkout/form-shipping.php
grefsen-theme/woocommerce/checkout/payment-method.php
grefsen-theme/woocommerce/checkout/payment.php
grefsen-theme/woocommerce/checkout/review-order.php
grefsen-theme/woocommerce/checkout/terms.php
grefsen-theme/woocommerce/checkout/thankyou.php
grefsen-theme/woocommerce/content-single-product.php
grefsen-theme/woocommerce/emails/admin-cancelled-order.php
grefsen-theme/woocommerce/emails/admin-failed-order.php
grefsen-theme/woocommerce/emails/admin-new-order.php
grefsen-theme/woocommerce/emails/customer-completed-order.php
grefsen-theme/woocommerce/emails/customer-invoice.php
grefsen-theme/woocommerce/emails/customer-new-account.php
grefsen-theme/woocommerce/emails/customer-note.php
grefsen-theme/woocommerce/emails/customer-on-hold-order.php
grefsen-theme/woocommerce/emails/customer-processing-order.php
grefsen-theme/woocommerce/emails/customer-refunded-order.php
grefsen-theme/woocommerce/emails/customer-reset-password.php
grefsen-theme/woocommerce/emails/email-addresses.php
grefsen-theme/woocommerce/emails/email-customer-details.php
grefsen-theme/woocommerce/emails/email-footer.php
grefsen-theme/woocommerce/emails/email-header.php
grefsen-theme/woocommerce/emails/email-order-details.php
grefsen-theme/woocommerce/emails/email-order-items.php
grefsen-theme/woocommerce/emails/email-styles.php
grefsen-theme/woocommerce/emails/plain/admin-cancelled-order.php
grefsen-theme/woocommerce/emails/plain/admin-failed-order.php
grefsen-theme/woocommerce/emails/plain/admin-new-order.php
grefsen-theme/woocommerce/emails/plain/customer-completed-order.php
grefsen-theme/woocommerce/emails/plain/customer-invoice.php
grefsen-theme/woocommerce/emails/plain/customer-new-account.php
grefsen-theme/woocommerce/emails/plain/customer-note.php
grefsen-theme/woocommerce/emails/plain/customer-on-hold-order.php
grefsen-theme/woocommerce/emails/plain/customer-processing-order.php
grefsen-theme/woocommerce/emails/plain/customer-refunded-order.php
grefsen-theme/woocommerce/emails/plain/customer-reset-password.php
grefsen-theme/woocommerce/emails/plain/email-addresses.php
grefsen-theme/woocommerce/emails/plain/email-customer-details.php
grefsen-theme/woocommerce/emails/plain/email-order-details.php
grefsen-theme/woocommerce/emails/plain/email-order-items.php
grefsen-theme/woocommerce/order/form-tracking.php
grefsen-theme/woocommerce/order/order-again.php
grefsen-theme/woocommerce/order/order-details-customer.php
grefsen-theme/woocommerce/order/order-details-item.php
grefsen-theme/woocommerce/order/order-details.php
grefsen-theme/woocommerce/order/tracking.php