V1.4.2 Activation Error

Updated to version 1.4.2, but error when trying to activate:

Fatal error: Uncaught Error: Class ‘Never5\WPCarManager\Plugin’ not found in wp-content/plugins/wp-car-manager/wp-car-manager.php:44
Stack trace: #0 wp-content/plugins/wp-car-manager/wp-car-manager.php(53): wp_car_manager()
#1 wp-includes/class-wp-hook.php(286): __load_wp_car_manager(”)
#2 wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
#3 wp-includes/plugin.php(465): WP_Hook->do_action(Array)
#4 wp-settings.php(374): do_action(‘plugins_loaded’)
#5 wp-config.php(90): require_once(‘/usr/www/users/…’)
#6 wp-load.php(37): require_once(‘/usr/www/users/…’)
#7 /usr/www/users/ in wp-content/plugins/wp-car-manager/wp-car-manager.php on line 44