| 400 | NotApplicable | You are not authorized to call the API operation. Please check whether the caller site matches the API domain regionId. | diagnosis |
| 400 | NotAuthorized | You are not authorized to call the API operation. Please check whether RAM user has the permission or check whether ownerId and callerId have been given the appropriate permission. | diagnosis |
| 400 | IncompleteAccountInfo | Your information is incomplete. Complete your information before the operation. | diagnosis |
| 400 | IncompleteTaxInfo | Your tax information is incomplete. Complete your information before the operation. | diagnosis |
| 400 | InvalidPaymentMethod.Incomplete | No payment method is specified for your account. We recommend that you add a payment method. | diagnosis |
| 400 | InvalidPaymentMethod.Missing | Your payment method is incomplete. We recommend that you add a payment method. | diagnosis |
| 400 | InsuffcientBalanceOrBankAccount | Add a payment method or add funds to the prepayment balance. Get started by creating an instance. | diagnosis |
| 400 | InvalidPaymentMethod.NoAccess | No payment method is specified for your account. Please contact your Customer Manager or open a ticket. | diagnosis |
| 400 | InvalidPaymentMethod.Missing | No payment method is specified for your account. We recommend that you add a payment method. | diagnosis |
| 400 | InvalidPaymentMethod.InsufficientBalance | No payment method is specified for your account. We recommend that you add a payment method or add funds to the prepayment balance. | diagnosis |
| 400 | ORDER.ACCOUNT_INFORMATION_INCOMPLETE | Your information is incomplete. Complete your information before ordering. | diagnosis |