Fatal error: Uncaught Error: Call to undefined function is_ajax() in /valkiria-miniatures/wp-content/plugins/woo-multi-currency/frontend/location.php:38 Stack trace: #0 /valkiria-miniatures/wp-includes/class-wp-hook.php(287): WOOMULTI_CURRENCY_F_Frontend_Location->init('') #1 /valkiria-miniatures/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #2 /valkiria-miniatures/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #3 /valkiria-miniatures/wp-settings.php(546): do_action('init') #4 /valkiria-miniatures/wp-config.php(89): require_once('/valkiria-minia...') #5 /valkiria-miniatures/wp-load.php(37): require_once('/valkiria-minia...') #6 /valkiria-miniatures/wp-blog-header.php(13): require_once('/valkiria-minia...') #7 /valkiria-miniatures/index.php(17): require('/valkiria-minia...') #8 {main} thrown in /valkiria-miniatures/wp-content/plugins/woo-multi-currency/frontend/location.php on line 38