The cause of the error differs depending on the error message displayed. Please check the following.
- Transmission Error: “Item could not be sent. Please try again later.”
This appears when there is a temporary system error. Please wait a while and try entering it again.
- Transmission Error: “This serial code has already been used.”
Each serial code can only be used once. You cannot use a serial code that has already been used.
If you do not remember using it yourself, it is possible that it has already been used with another Support ID.
- Transmission Error: “This serial code is not currently valid.”
Serial codes have an expiration date. Codes cannot be used before they become valid or after they expire.
- Transmission Error: “Due to consecutive transmission errors, you will not be able to send data for a while. Please wait a day or so before trying again.”
If there are multiple failed entry attempts, use of the website may be temporarily restricted. Please wait a while before trying to enter it again.
- Transmission Error: “An unexpected error has occurred. Please try again.”
This appears when there is a system error. Please wait a while and try entering it again.
- Transmission Error: “The specified account cannot claim any more gifts. This serial code can only be redeemed ■ time(s) per account.”
Some serial code campaigns have a limit on how many times each account can receive gifts.
If the account has already reached the maximum for the campaign, entering additional serial codes for the same campaign will not grant any gifts.
- Transmission Error: “The specified account cannot use serial codes yet. Please submit this serial code again after completing the first sleep tutorial and gaining access to the Gift Box.”
Please complete the initial sleep tutorial and ensure your gift box is accessible before entering the serial code.
- Transmission Error: “Due to ongoing maintenance, serial codes cannot be redeemed at this time. Please try again after maintenance has ended.”
During maintenance for Pokémon Sleep, serial codes cannot be used. Please check maintenance information on the official website and try again after maintenance ends.
- Error: At least one field was left blank.
Please enter both your Support ID and serial code.
- Error: The information you entered is incorrect.
Please make sure to enter your Support ID and serial code correctly.
Do not include hyphens when entering the serial code.