YITH Donations for WooCommerce Premium 1.0.14

Plugin link: https://yithemes.com/themes/plugins/yith-donations-for-woocommerce/

in file \wp-content\plugins\yith-donations-for-woocommerce-premium\includes\classes\class.yith-woocommerce-donations-premium.php add next code:

if (class_exists('WOOCS')) {
    global $WOOCS;
    if ($WOOCS->current_currency != $WOOCS->default_currency) {
        $currencies = $WOOCS->get_currencies();
        $amount = $amount / $currencies[$WOOCS->current_currency]['rate'];
    }
}

if (class_exists('WOOCS')) {

global $WOOCS;

if ($WOOCS->current_currency != $WOOCS->default_currency) {

$currencies = $WOOCS->get_currencies();

$amount = $amount / $currencies[$WOOCS->current_currency]['rate'];

}

in the same file add next code:

if (class_exists('WOOCS')) {
    global $WOOCS;
    if ($WOOCS->current_currency != $WOOCS->default_currency) {
        $currencies = $WOOCS->get_currencies();
        $amount = $amount / $currencies[$WOOCS->current_currency]['rate'];
    }
}