same error on 12 of my websites !!
Fatal error: Class ‘WP_REST_Controller’ not found in /public_html/wp-content/plugins/wp-super-cache/rest/class.wp-super-cache-rest-get-settings.php on line 5
Same here
[Tue Apr 18 10:24:13 2017] [error] [client 162.158.126.66] PHP Parse error: syntax error, unexpected ‘[‘, expecting ‘)’ in …/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 37
The plugin is not saving preferences to the database with a wordpress multisite instalation http://screencast.com/t/FfbjLTprl
