PHP Warning: A non-numeric value encountered

Had this issue when saving a changed order to completed.

[Tue Mar 31 12:08:19.110857 2020] [proxy_fcgi:error] [pid 31985] [client 172.69.34.20:40565] AH01071: Got error ‘PHP message: PHP Warning: A non-numeric value encountered in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: Division by zero in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: A non-numeric value encountered in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: Division by zero in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: A non-numeric value encountered in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: Division by zero in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: A non-numeric value encountered in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: Division by zero in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: A non-numeric value encountered in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: Division by zero in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: A non-numeric value encountered in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: Division by zero in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: A non-numeric value encountered in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76PHP message: PHP Warning: Division by zero in /mnt/data/home/248914.cloudwaysapps.com/ggxhywqjrx/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php on line 76’, referer: https://brightsalmonlondon.com/wp-admin/