Fatal error: Uncaught Error: Call to undefined function is_sidebar_active() in /kunden/489797_32052/webseiten/urban-rudolf/wp-content/themes/shape/sidebar.php:1 Stack trace: #0 /kunden/489797_32052/webseiten/urban-rudolf/wp-includes/template.php(730): require_once() #1 /kunden/489797_32052/webseiten/urban-rudolf/wp-includes/template.php(676): load_template('/kunden/489797_...', true, Array) #2 /kunden/489797_32052/webseiten/urban-rudolf/wp-includes/general-template.php(136): locate_template(Array, true, true, Array) #3 /kunden/489797_32052/webseiten/urban-rudolf/wp-content/themes/shape/category.php(62): get_sidebar() #4 /kunden/489797_32052/webseiten/urban-rudolf/wp-includes/template-loader.php(106): include('/kunden/489797_...') #5 /kunden/489797_32052/webseiten/urban-rudolf/wp-blog-header.php(19): require_once('/kunden/489797_...') #6 /kunden/489797_32052/webseiten/urban-rudolf/index.php(17): require('/kunden/489797_...') #7 {main} thrown in /kunden/489797_32052/webseiten/urban-rudolf/wp-content/themes/shape/sidebar.php on line 1