Problems with Netflix card?

I wanted to redeem my Netflix voucher worth 25 euro, but it doesn't work. In any case, the website shows: Unfortunately, your request can't be processed at the moment?

Can someone help with?

Try again later if it does not work then write to support or call.
The support can see whether you have loaded something on the account or not.

Maybe something is wrong with the code. Show it.

Sure, why not! 1234