Fatal error: Uncaught Error: Class 'Jetpack_Simple_Payments' not found in C:\xampp\htdocs\wp-content\plugins\jetpack\modules\widgets\simple-payments.php:479 Stack trace: #0 C:\xampp\htdocs\wp-includes\class-wp-hook.php(286): register_widget_jetpack_simple_payments('') #1 C:\xampp\htdocs\wp-includes\class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 C:\xampp\htdocs\wp-includes\plugin.php(453): WP_Hook->do_action(Array) #3 C:\xampp\htdocs\wp-includes\widgets.php(1649): do_action('widgets_init') #4 C:\xampp\htdocs\wp-includes\class-wp-hook.php(286): wp_widgets_init('') #5 C:\xampp\htdocs\wp-includes\class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #6 C:\xampp\htdocs\wp-includes\plugin.php(453): WP_Hook->do_action(Array) #7 C:\xampp\htdocs\wp-settings.php(450): do_action('init') #8 C:\xampp\htdocs\wp-config.php(110): require_once('C:\\xampp\\htdocs...') #9 C:\xampp\htdocs\wp-load.php(37): require_once('C:\\xampp\\htdocs...') #10 C:\xampp\htdocs\wp-blog-header.php(13): require_once('C:\\xampp\\htdocs...' in C:\xampp\htdocs\wp-content\plugins\jetpack\modules\widgets\simple-payments.php on line 479