Fatal error: Uncaught Error: Class "WP_User" not found in /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/pluggable.php:39 Stack trace: #0 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/user.php(3755): wp_set_current_user(0) #1 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/pluggable.php(70): _wp_get_current_user() #2 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/l10n.php(98): wp_get_current_user() #3 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-content/plugins/flexible-checkout-fields/vendor_prefixed/wpdesk/ltv-dashboard-widget/src/DashboardWidget.php(61): get_user_locale() #4 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-content/plugins/flexible-checkout-fields/src/Plugin.php(67): FcfVendor\WPDesk\Dashboard\DashboardWidget->__construct() #5 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-content/plugins/flexible-checkout-fields/classes/plugin.php(108): WPDesk\FCF\Free\Plugin->init() #6 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-content/plugins/flexible-checkout-fields/vendor_prefixed/wpdesk/wp-plugin-flow-common/src/Initialization/BuilderTrait.php(66): Flexible_Checkout_Fields_Plugin->init() #7 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-content/plugins/flexible-checkout-fields/vendor_prefixed/wpdesk/wp-plugin-flow-common/src/Initialization/Simple/SimpleFreeStrategy.php(51): FcfVendor\WPDesk\Plugin\Flow\Initialization\Simple\SimpleFreeStrategy->init_plugin(Object(Flexible_Checkout_Fields_Plugin)) #8 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-content/plugins/flexible-checkout-fields/vendor_prefixed/wpdesk/wp-plugin-flow-common/src/PluginBootstrap.php(83): FcfVendor\WPDesk\Plugin\Flow\Initialization\Simple\SimpleFreeStrategy->run_init(Object(FcfVendor\WPDesk_Plugin_Info)) #9 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/class-wp-hook.php(324): FcfVendor\WPDesk\Plugin\Flow\PluginBootstrap::FcfVendor\WPDesk\Plugin\Flow\{closure}('') #10 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #11 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #12 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-settings.php(578): do_action('plugins_loaded') #13 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-config.php(97): require_once('/home/klient.dh...') #14 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-load.php(50): require_once('/home/klient.dh...') #15 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-blog-header.php(13): require_once('/home/klient.dh...') #16 /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/index.php(17): require('/home/klient.dh...') #17 {main} thrown in /home/klient.dhosting.pl/sklepkamel/sklepkamel.com.pl/public_html/wp-includes/pluggable.php on line 39