This is the body of email I created using widget to select properties but system won't validate my email

Dear <<.BalanceTransferAccount.FirstName>>  <<.BalanceTransferAccount.LastName>> , We have approved your balance transfer request. Balance transfer amount: <<.TotalCostOfTransfer>>  Please note the following terms for your balance transfer:  Interest rate during the promotional period: <<.TransferOffer.InterestRate>>  Duration of promotional period: <<.TransferOffer.LengthOfOffer>>     Interest rate on remaining balance after your promotional rate expires <<.TransferOffer.APRAfterPromotionalPeriod>>   Please review your account terms and conditions for important information about how we apply payments if you maintain a balance due to other card activity. Thank you for banking with U-Plus.