Fatal error: Uncaught Error: Call to a member function get_categories() on null in /home/swiadoma/domains/bobbo.pl/public_html/wp-content/themes/headway/library/common/functions.php(368) : eval()'d code:2 Stack trace: #0 /home/swiadoma/domains/bobbo.pl/public_html/wp-content/themes/headway/library/common/functions.php(368): eval() #1 /home/swiadoma/domains/bobbo.pl/public_html/wp-content/themes/headway/library/blocks/custom-code/custom-code.php(21): headway_parse_php('<h2 class="bb-c...') #2 /home/swiadoma/domains/bobbo.pl/public_html/wp-includes/class-wp-hook.php(288): HeadwayCustomCodeBlock->content(Array) #3 /home/swiadoma/domains/bobbo.pl/public_html/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #4 /home/swiadoma/domains/bobbo.pl/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #5 /home/swiadoma/domains/bobbo.pl/public_html/wp-content/themes/headway/library/blocks/blocks.php(672): do_action('headway_block_c...', Array) #6 /home/swiadoma/domains/bobbo.pl/public_html/wp-conten in /home/swiadoma/domains/bobbo.pl/public_html/wp-content/themes/headway/library/common/functions.php(368) : eval()'d code on line 2