PHP Deprecated Error in Debug Log

1PHP Deprecatedmb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity insteadPlugin: CheckoutWC
File: /wp-content/plugins/checkout-for-woocommerce/sources/php/functions.php
Line: 3981