Fatal error: Uncaught Error: Call to undefined function trailingslashit() in /home/users/v/vadim19790311/domains/xn------8cdafhsaafvgcdhyygvboshlomz0g1bxw.xn--p1ai/wp-includes/class-wp-textdomain-registry.php:103 Stack trace: #0 /home/users/v/vadim19790311/domains/xn------8cdafhsaafvgcdhyygvboshlomz0g1bxw.xn--p1ai/wp-includes/l10n.php(784): WP_Textdomain_Registry->set('default', 'ru_RU', '/home/users/v/v...') #1 /home/users/v/vadim19790311/domains/xn------8cdafhsaafvgcdhyygvboshlomz0g1bxw.xn--p1ai/wp-includes/load.php(1401): load_textdomain('default', '/home/users/v/v...', 'ru_RU') #2 /home/users/v/vadim19790311/domains/xn------8cdafhsaafvgcdhyygvboshlomz0g1bxw.xn--p1ai/wp-includes/load.php(278): wp_load_translations_early() #3 /home/users/v/vadim19790311/domains/xn------8cdafhsaafvgcdhyygvboshlomz0g1bxw.xn--p1ai/wp-settings.php(74): wp_maintenance() #4 /home/users/v/vadim19790311/domains/xn------8cdafhsaafvgcdhyygvboshlomz0g1bxw.xn--p1ai/wp-config.php(80): require_once('/home/users/v/v...') #5 /home/users/v/vadim19790311 in /home/users/v/vadim19790311/domains/xn------8cdafhsaafvgcdhyygvboshlomz0g1bxw.xn--p1ai/wp-includes/class-wp-textdomain-registry.php on line 103