Where is that .htaccess file located? That is NOT the original /etc/sentora/panel/.htaccess file! It is missing all of the Sentora definitions
Original: https://github.com/sentora/sentora-core/.../.htaccess
You need to merge the two together.
Original: https://github.com/sentora/sentora-core/.../.htaccess
You need to merge the two together.