getting this error when opening /wp-admin/
[07-Feb-2017 04:59:44 UTC] PHP Fatal error: require_once(): Failed opening required ‘/home/lamp/webroot/cbdweb/wp-content/plugins/newsletter/includes/class-tgm-plugin-activation.php’ (include_path=’.:/usr/share/php:/usr/share/pear’) in /home/lamp/webroot/cbdweb/wp-content/plugins/newsletter/plugin.php on line 1545
removed the plugins/newsletter directory and wp-admin loads OK.
Downloaded latest zip file of plugin and unzipped it manually, error comes back.