Posted a reply to After activating Jetpack, 2 error lines appeared at the top of the site, on the site WordPress.org Forums: Hi @csonnek, Thanks for the "downgrade plugin", ive also the same issue. (PHP 7.0.28-0ubuntu0.16.04.1 (cli)…
Created ticket #26304 on Themes Trac: THEME: RICALEX – 0.0.1