Reply 220627 to: enabling Smart Manager and Smart Product Viewer caused the website problem.
Olga Barlow
Support staff
September 3, 2019 at 17:25
Hello,
Go to Settings > Permalinks > choose the Post name type instead of Plain http://prntscr.com/p1b98z Also, contact your hosting provider and make sure that your server settings suit the Post name type of the permalinks.