Disable PayPal currency validation

I’m using a custom currency (CRC = Costa Rican Colon) and I can set Paypal to work with it using this code on functions.php:

add_filter( 'woocommerce_currencies', 'add_CRC_currency' );

function add_CRC_currency( $currencies ) {
 $currencies['CRC'] = __( 'Costa Rican Colon', 'woocommerce' );
 return $currencies;
}
add_filter('woocommerce_currency_symbol', 'add_CRC_currency_symbol', 10, 2);

function add_CRC_currency_symbol( $currency_symbol, $currency ) {
 switch( $currency ) {
 case 'CRC': $currency_symbol = '¢'; break;
 }
 return $currency_symbol;
}

add_filter('woocommerce_paypal_args', 'convert_CRC_to_USD');
function convert_CRC_to_USD($paypal_args){
	if ( $paypal_args['currency_code'] == 'CRC'){
		$convert_rate = 520; //set the converting rate
		$paypal_args['currency_code'] = 'USD'; //change CRC to USD
		$i = 1;

		while (isset($paypal_args['amount_' . $i])) {
			$paypal_args['amount_' . $i] = round( $paypal_args['amount_' . $i] / $convert_rate, 2);
			++$i;
		}

	}
return $paypal_args;
}

But after the payment, Woocommerce gave me this error, and the product stock wasn’t updated:

“Validation error: PayPal amounts do not match (USD). Order status changed from pending to on-hold.”

My question is… how can I disable this validation? to make the product stock works with PayPal payments.

https://wordpress.org/plugins/woocommerce/