Bugfix for PayPal can't place order fix.
Installation via composer:
composer require "piotrkwiecinski/magento2-paypal-cant-place-order: 0.1.0"
Run from Magento 2 root directory:
for enable module:
php -f bin/magento module:enable PiotrKwiecinski_PayPalFix
for update system:
php -f bin/magento setup:upgrade