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