Fatal error: Uncaught Error: Call to undefined method Rollbar\Defaults::accessToken() in /var/www/html/wp-content/plugins/rollbar/src/Plugin.php:390 Stack trace: #0 /var/www/html/wp-content/plugins/rollbar/src/Plugin.php(88): Rollbar\Wordpress\Plugin->getDefaultOption('access_token') #1 /var/www/html/wp-content/plugins/rollbar/src/Plugin.php(234): Rollbar\Wordpress\Plugin->fetchSettings() #2 /var/www/html/wp-includes/class-wp-hook.php(286): Rollbar\Wordpress\Plugin->initPhpLogging('') #3 /var/www/html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #4 /var/www/html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #5 /var/www/html/wp-settings.php(467): do_action('init') #6 /var/www/html/wp-config.php(95): require_once('/var/www/html/w...') #7 /var/www/html/wp-load.php(37): require_once('/var/www/html/w...') #8 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...') #9 /var/www/html/index.php(17): require('/var/www/html/w...') #10 {main} thrown in /var/www/html/wp-content/plugins/rollbar/src/Plugin.php on line 390