Fatal error: Uncaught Error: Call to undefined function _deprecated_file() in /home/oho09/public_html/lekcjatestdm/wp-includes/theme-compat/sidebar.php:9
Stack trace:
#0 {main}
thrown in /home/oho09/public_html/lekcjatestdm/wp-includes/theme-compat/sidebar.php on line 9