Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "add_vk_auth_script" not found or invalid function name in /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#1 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#2 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/general-template.php(3080): do_action('wp_footer')
#3 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-content/themes/kuzmin/footer.php(62): wp_footer()
#4 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/template.php(810): require_once('/var/www/couchs...')
#5 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/template.php(745): load_template('/var/www/couchs...', true, Array)
#6 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/general-template.php(92): locate_template(Array, true, true, Array)
#7 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-content/themes/couchbot-theme/page-user.php(233): get_footer()
#8 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/template-loader.php(106): include('/var/www/couchs...')
#9 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-blog-header.php(19): require_once('/var/www/couchs...')
#10 /var/www/couchsurf/data/www/couchsurf.youonline24.ru/index.php(17): require('/var/www/couchs...')
#11 {main}
thrown in /var/www/couchsurf/data/www/couchsurf.youonline24.ru/wp-includes/class-wp-hook.php on line 324
I know Evgeniy more than five years, from his first visit of my native city. This guy is fabulous traveller, and he knows the spirit of travelling. Also, he is biologist, anf it's really interesting and advisable to do some field hiking with him. Highly recommended to meet him somewhere.