Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, class Dastak\Classes\HeaderFooter does not have a method "_category" in /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/includes/Helpers/Common.php:245 Stack trace: #0 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/includes/Helpers/Common.php(245): call_user_func(Array) #1 [internal function]: Dastak\Classes\HeaderFooter->page() #2 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/includes/Helpers/Common.php(106): call_user_func(Array) #3 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/includes/Classes/HeaderFooter.php(98): Dastak\Classes\HeaderFooter->makeBannerData() #4 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/includes/Loader.php(106): Dastak\Classes\HeaderFooter->banner('page', '1') #5 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/class-wp-hook.php(324): Dastak\Loader::banner('') #6 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #7 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #8 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/general-template.php(3082): do_action('wp_body_open') #9 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/header.php(12): wp_body_open() #10 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/template.php(810): require_once('/data/web/virtu...') #11 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/template.php(745): load_template('/data/web/virtu...', true, Array) #12 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #13 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/archive-gallery.php(2): get_header() #14 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/template.php(812): require('/data/web/virtu...') #15 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/template.php(745): load_template('/data/web/virtu...', false, Array) #16 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #17 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/taxonomy-gallery_category.php(2): get_template_part('archive-gallery') #18 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-includes/template-loader.php(106): include('/data/web/virtu...') #19 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-blog-header.php(19): require_once('/data/web/virtu...') #20 /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/index.php(17): require('/data/web/virtu...') #21 {main} thrown in /data/web/virtuals/219345/virtual/www/domains/workforpeople.cz/wp-content/themes/dastak/includes/Helpers/Common.php on line 245