Fatal error: Uncaught Error: Undefined constant "ABSPATH" in /usr/home/instytutoka/domains/laser2rt.pl/public_html/wp-includes/class-wp-customize-setting.php:963
Stack trace:
#0 {main}
  thrown in /usr/home/instytutoka/domains/laser2rt.pl/public_html/wp-includes/class-wp-customize-setting.php on line 963