> ## Documentation Index > Fetch the complete documentation index at: https://developers.circle.com/llms.txt > Use this file to discover all available pages before exploring further. # Contracts API error codes > Descriptions of error codes returned by the Contracts API. For error response shapes and general errors that can be returned by any Circle API, see [API errors](/api-reference/errors). ## Contract errors | Error code | HTTP code | Error message | Description | | ---------- | --------- | ----------------------------------------------------------------- | ----------------------------------------------------------------------------- | | `175001` | `404` | `Contract not found.` | The specified contract does not exist in the system. | | `175002` | `400` | `No ABI JSON for the target contract.` | Cannot execute a read function on a contract without the ABI JSON. | | `175003` | `400` | `Constructor parameters length must match constructor signature.` | The number of constructor parameters must match the constructor signature. | | `175004` | `409` | `Contract already exists.` | The contract already exists in the system. | | `175005` | `400` | `Address is not a contract address.` | The given address is not associated with a smart contract. | | `175006` | `400` | `Contract is archived.` | Attempted to interact with an archived contract. | | `175007` | `400` | `Invalid ABI JSON.` | The inputted ABI JSON is not correctly formatted. | | `175008` | `400` | `Multi-layered proxies are not supported.` | Importing a multi-layered proxy contract is not supported. | | `175009` | `400` | `Contract deployment pending.` | Contract deployment must be completed before function execution is available. | | `175010` | `400` | `ABI function not found.` | The ABI function was not found on the contract. | | `175011` | `400` | `Empty update on a contract.` | An empty update for a contract is not allowed | | `175012` | `400` | `Unable to query contract.` | Unable to query contract. Check your parameters and try again. | | `175013` | `400` | `ABI function is not supported.` | The ABI function of the contract is not supported. | ## Template errors | Error code | HTTP code | Error message | Description | | ---------- | --------- | -------------------------------------------------- | ------------------------------------------------------------------- | | `175201` | `404` | `Template not found.` | The specified template does not exist in the system. | | `175202` | `400` | `Deploying this template is temporarily disabled.` | Deploying this template is temporarily disabled. | | `175203` | `400` | `Invalid template deployment parameter.` | The request contains an invalid field in the template parameters. | | `175204` | `400` | `Missing required template deployment parameter.` | The request is missing a required field in the template parameters. | | `175205` | `400` | `Estimation is not supported.` | Estimating the deployment of this template is not supported. | ## Event subscription errors | Error code | HTTP code | Error message | Description | | ---------- | --------- | ----------------------------------------------- | ----------------------------------------------------------------------------------- | | `175301` | `404` | `Event subscription not found.` | The specified event subscription does not exist or is not accessible to the caller. | | `175302` | `409` | `Event subscription already exist.` | The specified event has already been created for this contract. | | `175303` | `400` | `The specified event signature does not exist.` | The specified event signature does not exist on this contract. | ## Shared contract errors | Error code | HTTP code | Error message | Description | | ---------- | --------- | ---------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- | | `175401` | `400` | `Fail to parse id as UUID in url.` | The specified ID is invalid (must be in UUID format). Try again with a valid ID. | | `175402` | `400` | `The specified blockchain is either not supported or deprecated.` | The specified blockchain is either not supported or deprecated. | | `175403` | `409` | `Please use a new idempotency key.` | Use a new idempotency key and try again. | | `175404` | `400` | `TEST_API key cannot be used with blockchain mainnets, or LIVE_API key cannot be used with blockchain testnets.` | TEST\_API key cannot be used with blockchain mainnets, or LIVE\_API key cannot be used with blockchain testnets. | | `175405` | `401` | `TEST_API key or LIVE_API key is not found for the request.` | TEST\_API key or LIVE\_API key is not found for the request. | | `175406` | `400` | `This feature is temporarily disabled.` | This feature is temporarily disabled. | | `175407` | `400` | `The specified blockchain is unavailable.` | The specified blockchain is unavailable. Check the [Circle Status page](https://status.circle.com/) for more details. | | `175408` | `404` | `Cannot find corresponding pagination cursor in the system.` | Cannot find corresponding pagination cursor in the system. | | `175409` | `403` | `Entities with restrictions cannot perform this operation.` | Entities with restrictions cannot perform this operation. | | `175410` | `400` | `invalid address format` | The address format is invalid. | ## Transaction errors | Error code | HTTP code | Error message | Description | | ---------- | --------- | -------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- | | `177001` | `400` | `transaction nonce is inconsistent with sender's latest nonce` | The transaction nonce is inconsistent with the sender's latest nonce. | | `177002` | `400` | `user op nonce can not be larger than 0 when smart contract wallet hasn't been deployed` | User op nonce can not be larger than 0 when the smart contract wallet hasn't been deployed. | | `177003` | `400` | `failed to execute this request on EVM due to insufficient token when estimating fee` | Failed to execute this request on EVM due to insufficient tokens when estimating the fee. | | `177004` | `400` | `the total cost of executing transaction is higher than the balance of the user's account when estimating fee` | When estimating the fee, the total cost of executing the transaction is higher than the balance of the user's account. | | `177005` | `400` | `the sender address is not token owner or approved when estimating token transfer` | The sender address is not token owner or approved when estimating token transfer. | | `177006` | `400` | `gas required exceeds allowance when estimating fee` | Gas required exceeds allowance when estimating fee. | | `177007` | `400` | `estimate fee execution reverted` | Estimate fee execution reverted. | | `177008` | `400` | `ABI function signature can't pack ABI parameter` | ABI function signature can't pack ABI parameter. | | `177009` | `400` | `fails to perform transaction estimation` | Fails to perform transaction estimation. | | `177010` | `400` | `maxFee * gasLimit exceed configurable max transaction fee (default is 1 native token)` | The `MaxFee` \* `GasLimit` exceeds the configurable max transaction fee (default is 1 native token). | | `177011` | `400` | `transaction needs feeLevel or gasLimit provided` | The transaction requires `feeLevel` or `gasLimit` to be provided in the request. | | `177012` | `400` | `sca transaction needs feeLevel provided` | The SCA transaction requires `feeLevel` to be provided in the request. | | `177013` | `400` | `EIP1559 chains need maxFee/priorityFee provided` | EIP1559 chains require `maxFee` and `priorityFee` to be provided in the request. | | `177014` | `400` | `priorityFee cannot be larger than maxFee in creating transaction request` | Creating transaction requests`priorityFee` cannot be larger than `maxFee`. | | `177015` | `400` | `missing bytecode for contract deployment` | Missing bytecode for contract deployment. | | `177016` | `400` | `cannot provide both WalletID and SourceAddress/Blockchain` | You cannot provide `WalletID` and `SourceAddress`/`Blockchain` in a request. | | `177017` | `400` | `Invalid amount in contract execution request` | The `amount` in the contract execution request is invalid. | | `177018` | `400` | `policy is not activated and cannot be used` | The Gas Station paymaster policy is not activated and cannot be used. | | `177019` | `400` | `exceeded max daily transaction of the policy` | The Gas Station paymaster policy maximum daily transaction limit has been reached. | | `177020` | `400` | `exceeded max spend USD per transaction of the policy` | The transaction cost exceeds the Gas Station paymaster policy maximum spend per transaction in USD. | | `177021` | `400` | `exceeded max spend USD daily of the policy` | The Gas Station paymaster policy for maximum spending daily in USD has been reached. | | `177022` | `400` | `exceeded max native token daily of the policy` | The Gas Station paymaster policy for maximum native tokens daily of the policy. | | `177023` | `400` | `sender is in policy blocklist` | The sender is on the Gas Station paymaster policy blocklist. | | `177024` | `400` | `wallet and request's blockchain mismatch.` | The wallet and blockchain in the request should be the same. | | `177301` | `400` | `wallet is Frozen` | Frozen wallets can not be updated or interacted with; they can only be queried. | | `177302` | `400` | `invalid sca wallet config` | The SCA wallet configuration is invalid. | | `177303` | `400` | `sca wallet first-time transaction is still in progress` | The SCA wallet needs to wait for the first-time transaction to finish deploying the wallet before processing more transactions. | | `177304` | `400` | `SCA account is not supported on the given blockchain` | The SCA account is not supported on the given blockchain. | | `177305` | `400` | `Entity is not eligible for SCA account creation. Please check paymaster policy setup` | The entity is not eligible for SCA account creation. Check the Gas Station paymaster policy setup. | | `177601` | `400` | `could be caused by either no such wallet or wallet is not accessible to the caller` | The target wallet cannot be found in the system. Either the specified wallet doesn't exist, or it's inaccessible to the caller. | | `177602` | `400` | `reusing an entity secret ciphertext is not allowed. Please re-encrypt the entity secret to generate new ciphertext` | Reusing an entity's secret ciphertext is not allowed. Re-encrypt the entity secret to generate a new ciphertext. | | `177603` | `400` | `entity is likely not properly set up during the onboarding process` | The corresponding entity cannot be found in the system. | | `177604` | `400` | `the provided entity secret is invalid` | The provided entity secret is invalid. | | `177605` | `400` | `the entity secret has not been set yet. Please provide encrypted ciphertext in the console` | The entity secret has not been set up on your account. Provide encrypted ciphertext in the console. | | `177606` | `400` | `current entity secret is invalid. Please rotate the entity secret first` | The provided entity secret is invalid. Rotate the entity secret first and send another API request. | | `177607` | `400` | `please use a new idempotency key` | Use a new idempotency key. | | `177901` | `400` | `smart contract query failed` | Error when querying contract. Check parameters and try again. |