_:n31e0e773e2d54907897af3ac4d1be0b2xb3
<http://schema.org/text>
"You have some certain errors like file not found (or not enough file permissions to access the file), but main question is - do you really need to upgrade to php7? Probably the best option for you will be to rollback to php5.7 and resume normal operation"
<https://www.digitalocean.com/community/questions/500-5xx-server-errors-after-upgrading-to-php-7>