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--- id: staking-error-codes title: Smart Contract Error Codes keywords: - staking - ssn - smart contract - zilliqa - error codes description: Smart Contract Error Codes --- --- ## Overview The `ssnlist` smart contract will emit out exception with an error code when an error condition is encountered. An example is shown below. ```text Exception thrown: (Message [(_exception : (String "Error")) ; (code : (Int32 -13))]) :188 Raised from IsProxy :269 Raised from IsPaused :279 Raised from DelegateStake :797 ``` Here, we will demystify the error codes. ## Error codes | Error Name | Error Code | Description | | ------------------------------ | ---------- | --------------------------------------------------------------------------------------------------------------------------------------------- | | ContractFrozenFailure | -1 | `ssnlist` contract is currently paused state | | VerifierValidationFailed | -2 | The initiator should be a `verifier` | | AdminValidationFailed | -3 | The initiator should be an `admin` | | StagingAdminNotExist | -4 | No staging admin is set | | StagingAdminValidationFailed | -5 | Failed to validate staging admin | | ProxyValidationFailed | -6 | The caller of this transition must be a registered proxy address | | DelegDoesNotExistAtSSN | -7 | `Delegator` does not exist for the current `SSN` | | DelegHasBufferedDeposit | -8 | `Delegator` has buffered deposit with the current `SSN` and is unable to proceed with this current operation | | ChangeCommError | -9 | `SSN operator` has just changed commission in the current reward cycle and will not be able to change it again for this cycle | | SSNNotExist | -10 | `SSN` does not exists | | SSNAlreadyExist | -11 | There is another `SSN` with the same address as what the initiator provided | | DelegHasUnwithdrawRewards | -12 | `Delegator` has unwithdrawn rewards and is unable to proceed with the current operation | | DelegHasNoSufficientAmt | -13 | `Delegator` is unable to withdraw or redelegate stake as the amount provided is larger than his currnet dekegaed amount with a particular SSN | | SSNNoComm | -14 | `SSN` has no commission for the `SSN operator` to withdraw | | DelegStakeNotEnough | -15 | The delegation amount is less than `min stake` | | ExceedMaxChangeRate | -16 | The commission change amount is larger than what is allowed by max commission change rate | | ExceedMaxCommRate | -17 | The commission rate cannot be more than the max comission rate i.e 100% | | InvalidTotalAmt | -18 | Cannot decrease total stake amount | | VerifierNotSet | -19 | `verifer` is not set | | VerifierRecvAddrNotSet | -20 | `verifer` receiving address is not set | | ReDelegInvalidSSNAddr | -21 | The initiator is trying to redelegate to a non-existence `SSN` | | AvailableRewardsError | -22 | Reward validation failure | | InvalidSwapAddr | -23 | No such address for the swap request or delegator is swapping to the same address | | SwapAddrValidationFailed | -24 | Requestor swap address does not match requestor address | | SwapAddrAlreadyExistsAsRequest | -25 | A cyclic swap request detected |