Call to undefined function sanitize_textarea_field() in li

Hi! Thank you for what seems like a great level of support for your plugin 🙂 My server environment: Local test server : XAMPP 3.2.2 (Apache 2.4.37 | PHP 7.0.33 | MySQL 5.0.12) First seen error in WP version 4.4.32, which is certainly higher than the required 3.0 slowly upgrading a customer’s WP from its ancient state to a fully upgraded WordPress in phases Now, present: updated WP version to 4.6.28 and updated ultimate social media icons plugin to latest version (3.6.7) but the error persists. The error After upgrading the plugin, I got the following error message on the page where the plugin is called with the special tag [DISPLAY_ULTIMATE_SOCIAL_ICONS]: Fatal error: Uncaught Error: Call to undefined function sanitize_textarea_field() in […] \wp-content\plugins\ultimate-social-media-plus\libs\controllers\sfsi_forum_notification_popup.php on line 8 In case you need it, this is the code that is part of line 8 in the mentioned file: if (isset($_SERVER['REQUEST_URI']) && strpos(sanitize_textarea_field($_SERVER['REQUEST_URI']), $query_uri_widgets) !== false) { return; } (Sorry, this form doesn’t properly support code and indention) More info Digging deeper I found the developer page for the WordPress function: https://developer.wordpress.org/reference/functions/sanitize_textarea_field/ On that page it states that it was first introduced in WP version 4.7. By that logic, required WP version should be bumped to 4.7 =) I hope my post made sense 🙂 With geeky kindness, ~ Rahsna The page I need help with: [ log in to see the link]