Hello, we don't know the exact date yet but we will make sure to communicate at least 2 days before doing the upgrade of the network infrastructure.
— PrestaShop (@PrestaShop) October 15, 2018
Concerning the issue that you encountered, I invite you create a ticket on GitHub: https://t.co/J60PexN2gb Thank you.
https://goo.gl/EO0ad1
https://goo.gl/xF8heB