FIX FOR Customer loyalty and rewards v1.2.9 - by PrestaShop
YourStoreRoot/themes/default-bootstrap/js/modules/loyalty/js/loyalty.js
CHANGE
updateLoyaltyView(parseInt($('#our_price_display').text()));
TO
updateLoyaltyView(Number($('#our_price_display').text().replace(/[^0-9\.-]+/g,"")));
THEN SAVE IT AND WILL SHOW POINTS CORRECTLY AGAIN
