Error Reference

Complete Error Database

This page contains all 53 custom errors from the CoFHE smart contracts. Use this reference to understand error messages you encounter during development.

Use the @fhenixprotocol/cofhe-errors package to decode errors instantly:

npx cofhe-errors 0x118cdaa7

See the CoFHE Errors Package page for installation and usage instructions.

Errors by Contract

ACL (8 errors)

Access Control List errors related to permissions and delegation.

Selector	Name	Signature
`0x30dc9203`	SenderCannotBeDelegateeAddress	`SenderCannotBeDelegateeAddress()`
`0x3809a243`	DirectAllowForbidden	`DirectAllowForbidden(address)`
`0x4c40eccb`	PermissionInvalid_IssuerSignature	`PermissionInvalid_IssuerSignature()`
`0x8e143bf7`	PermissionInvalid_RecipientSignature	`PermissionInvalid_RecipientSignature()`
`0xcbd3a966`	PermissionInvalid_Disabled	`PermissionInvalid_Disabled()`
`0xd0d25976`	SenderNotAllowed	`SenderNotAllowed(address)`
`0xd1860468`	AlreadyDelegated	`AlreadyDelegated()`
`0xed0764a1`	PermissionInvalid_Expired	`PermissionInvalid_Expired()`

TaskManager (16 errors)

Errors from the TaskManager contract that handles FHE operations.

Selector	Name	Signature
`0x24cbcf36`	InvalidSecurityZone	`InvalidSecurityZone(int32,int32,int32)`
`0x2b0399d5`	TooManyInputs	`TooManyInputs(string,uint256,uint256)`
`0x4d13139e`	ACLNotAllowed	`ACLNotAllowed(uint256,address)`
`0x52b50ae1`	InvalidTypeOrSecurityZone	`InvalidTypeOrSecurityZone(string)`
`0x70cf6554`	DecryptionResultNotReady	`DecryptionResultNotReady(uint256)`
`0x7ba5ffb5`	InvalidSigner	`InvalidSigner(address,address)`
`0x884a0e9d`	InvalidInputType	`InvalidInputType(uint8,uint8)`
`0x8baa579f`	InvalidSignature	`InvalidSignature()`
`0x91b4b378`	InvalidInputForFunction	`InvalidInputForFunction(string,uint8)`
`0x98e08ab0`	RandomFunctionNotSupported	`RandomFunctionNotSupported()`
`0x9a84351c`	InvalidInputsAmount	`InvalidInputsAmount(string,uint256,uint256)`
`0xa974a0fe`	OnlyAggregatorAllowed	`OnlyAggregatorAllowed(address)`
`0xb31612aa`	InvalidOperationInputs	`InvalidOperationInputs(string)`
`0xcabe5ce4`	UnsupportedType	`UnsupportedType(uint256)`
`0xd8aba367`	CofheIsUnavailable	`CofheIsUnavailable()`
`0xe6c4247b`	InvalidAddress	`InvalidAddress()`

Ownable2StepUpgradeable (4 errors)

Errors related to contract ownership and initialization.

Selector	Name	Signature
`0x118cdaa7`	OwnableUnauthorizedAccount	`OwnableUnauthorizedAccount(address)`
`0x1e4fbdf7`	OwnableInvalidOwner	`OwnableInvalidOwner(address)`
`0xd7e6bcf8`	NotInitializing	`NotInitializing()`
`0xf92ee8a9`	InvalidInitialization	`InvalidInitialization()`

ERC1967Utils (4 errors)

Errors from the ERC1967 proxy utilities.

Selector	Name	Signature
`0x4c9c8ce3`	ERC1967InvalidImplementation	`ERC1967InvalidImplementation(address)`
`0x62e77ba2`	ERC1967InvalidAdmin	`ERC1967InvalidAdmin(address)`
`0x64ced0ec`	ERC1967InvalidBeacon	`ERC1967InvalidBeacon(address)`
`0xb398979f`	ERC1967NonPayable	`ERC1967NonPayable()`

SafeCast (4 errors)

Errors from safe type casting operations.

Selector	Name	Signature
`0x24775e06`	SafeCastOverflowedUintToInt	`SafeCastOverflowedUintToInt(uint256)`
`0x327269a7`	SafeCastOverflowedIntDowncast	`SafeCastOverflowedIntDowncast(uint8,int256)`
`0x6dfcc650`	SafeCastOverflowedUintDowncast	`SafeCastOverflowedUintDowncast(uint8,uint256)`
`0xa8ce4432`	SafeCastOverflowedIntToUint	`SafeCastOverflowedIntToUint(int256)`

Errors (4 errors)

General error utilities.

Selector	Name	Signature
`0x42b01bce`	MissingPrecompile	`MissingPrecompile(address)`
`0xb06ebf3d`	FailedDeployment	`FailedDeployment()`
`0xcf479181`	InsufficientBalance	`InsufficientBalance(uint256,uint256)`
`0xd6bda275`	FailedCall	`FailedCall()`

ECDSA (3 errors)

Errors from ECDSA signature verification.

Selector	Name	Signature
`0xd78bce0c`	ECDSAInvalidSignatureS	`ECDSAInvalidSignatureS(bytes32)`
`0xf645eedf`	ECDSAInvalidSignature	`ECDSAInvalidSignature()`
`0xfce698f7`	ECDSAInvalidSignatureLength	`ECDSAInvalidSignatureLength(uint256)`

Strings (3 errors)

Errors from string utility operations.

Selector	Name	Signature
`0x1d15ae44`	StringsInvalidAddressFormat	`StringsInvalidAddressFormat()`
`0x94e2737e`	StringsInvalidChar	`StringsInvalidChar()`
`0xe22e27eb`	StringsInsufficientHexLength	`StringsInsufficientHexLength(uint256,uint256)`

Common (2 errors)

Common utility errors.

Selector	Name	Signature
`0x01d4fab6`	InvalidHexCharacter	`InvalidHexCharacter(bytes1)`
`0x8f568bf8`	SecurityZoneOutOfBounds	`SecurityZoneOutOfBounds(int32)`

UUPSUpgradeable (2 errors)

Errors from UUPS proxy upgradeability.

Selector	Name	Signature
`0xaa1d49a4`	UUPSUnsupportedProxiableUUID	`UUPSUnsupportedProxiableUUID(bytes32)`
`0xe07c8dba`	UUPSUnauthorizedCallContext	`UUPSUnauthorizedCallContext()`

Address (1 error)

Address utility errors.

Selector	Name	Signature
`0x9996b315`	AddressEmptyCode	`AddressEmptyCode(address)`

FHE (1 error)

Core FHE operation errors.

Selector	Name	Signature
`0x67cf3071`	InvalidEncryptedInput	`InvalidEncryptedInput(uint8,uint8)`

PlaintextsStorage (1 error)

Errors from the plaintext storage contract.

Selector	Name	Signature
`0xdce3ec0a`	OnlyTaskManagerAllowed	`OnlyTaskManagerAllowed(address)`

All Errors (Alphabetical)

Selector	Name	Contract	Signature
`0x4d13139e`	ACLNotAllowed	TaskManager	`ACLNotAllowed(uint256,address)`
`0x9996b315`	AddressEmptyCode	Address	`AddressEmptyCode(address)`
`0xd1860468`	AlreadyDelegated	ACL	`AlreadyDelegated()`
`0xd8aba367`	CofheIsUnavailable	TaskManager	`CofheIsUnavailable()`
`0x70cf6554`	DecryptionResultNotReady	TaskManager	`DecryptionResultNotReady(uint256)`
`0x3809a243`	DirectAllowForbidden	ACL	`DirectAllowForbidden(address)`
`0x62e77ba2`	ERC1967InvalidAdmin	ERC1967Utils	`ERC1967InvalidAdmin(address)`
`0x64ced0ec`	ERC1967InvalidBeacon	ERC1967Utils	`ERC1967InvalidBeacon(address)`
`0x4c9c8ce3`	ERC1967InvalidImplementation	ERC1967Utils	`ERC1967InvalidImplementation(address)`
`0xb398979f`	ERC1967NonPayable	ERC1967Utils	`ERC1967NonPayable()`
`0xf645eedf`	ECDSAInvalidSignature	ECDSA	`ECDSAInvalidSignature()`
`0xfce698f7`	ECDSAInvalidSignatureLength	ECDSA	`ECDSAInvalidSignatureLength(uint256)`
`0xd78bce0c`	ECDSAInvalidSignatureS	ECDSA	`ECDSAInvalidSignatureS(bytes32)`
`0xd6bda275`	FailedCall	Errors	`FailedCall()`
`0xb06ebf3d`	FailedDeployment	Errors	`FailedDeployment()`
`0xcf479181`	InsufficientBalance	Errors	`InsufficientBalance(uint256,uint256)`
`0xe6c4247b`	InvalidAddress	TaskManager	`InvalidAddress()`
`0x67cf3071`	InvalidEncryptedInput	FHE	`InvalidEncryptedInput(uint8,uint8)`
`0x01d4fab6`	InvalidHexCharacter	Common	`InvalidHexCharacter(bytes1)`
`0xf92ee8a9`	InvalidInitialization	Ownable2StepUpgradeable	`InvalidInitialization()`
`0x91b4b378`	InvalidInputForFunction	TaskManager	`InvalidInputForFunction(string,uint8)`
`0x884a0e9d`	InvalidInputType	TaskManager	`InvalidInputType(uint8,uint8)`
`0x9a84351c`	InvalidInputsAmount	TaskManager	`InvalidInputsAmount(string,uint256,uint256)`
`0xb31612aa`	InvalidOperationInputs	TaskManager	`InvalidOperationInputs(string)`
`0x24cbcf36`	InvalidSecurityZone	TaskManager	`InvalidSecurityZone(int32,int32,int32)`
`0x8baa579f`	InvalidSignature	TaskManager	`InvalidSignature()`
`0x7ba5ffb5`	InvalidSigner	TaskManager	`InvalidSigner(address,address)`
`0x52b50ae1`	InvalidTypeOrSecurityZone	TaskManager	`InvalidTypeOrSecurityZone(string)`
`0x42b01bce`	MissingPrecompile	Errors	`MissingPrecompile(address)`
`0xd7e6bcf8`	NotInitializing	Ownable2StepUpgradeable	`NotInitializing()`
`0xa974a0fe`	OnlyAggregatorAllowed	TaskManager	`OnlyAggregatorAllowed(address)`
`0xdce3ec0a`	OnlyTaskManagerAllowed	PlaintextsStorage	`OnlyTaskManagerAllowed(address)`
`0x1e4fbdf7`	OwnableInvalidOwner	Ownable2StepUpgradeable	`OwnableInvalidOwner(address)`
`0x118cdaa7`	OwnableUnauthorizedAccount	Ownable2StepUpgradeable	`OwnableUnauthorizedAccount(address)`
`0xcbd3a966`	PermissionInvalid_Disabled	ACL	`PermissionInvalid_Disabled()`
`0xed0764a1`	PermissionInvalid_Expired	ACL	`PermissionInvalid_Expired()`
`0x4c40eccb`	PermissionInvalid_IssuerSignature	ACL	`PermissionInvalid_IssuerSignature()`
`0x8e143bf7`	PermissionInvalid_RecipientSignature	ACL	`PermissionInvalid_RecipientSignature()`
`0x98e08ab0`	RandomFunctionNotSupported	TaskManager	`RandomFunctionNotSupported()`
`0x327269a7`	SafeCastOverflowedIntDowncast	SafeCast	`SafeCastOverflowedIntDowncast(uint8,int256)`
`0xa8ce4432`	SafeCastOverflowedIntToUint	SafeCast	`SafeCastOverflowedIntToUint(int256)`
`0x6dfcc650`	SafeCastOverflowedUintDowncast	SafeCast	`SafeCastOverflowedUintDowncast(uint8,uint256)`
`0x24775e06`	SafeCastOverflowedUintToInt	SafeCast	`SafeCastOverflowedUintToInt(uint256)`
`0x8f568bf8`	SecurityZoneOutOfBounds	Common	`SecurityZoneOutOfBounds(int32)`
`0x30dc9203`	SenderCannotBeDelegateeAddress	ACL	`SenderCannotBeDelegateeAddress()`
`0xd0d25976`	SenderNotAllowed	ACL	`SenderNotAllowed(address)`
`0x1d15ae44`	StringsInvalidAddressFormat	Strings	`StringsInvalidAddressFormat()`
`0x94e2737e`	StringsInvalidChar	Strings	`StringsInvalidChar()`
`0xe22e27eb`	StringsInsufficientHexLength	Strings	`StringsInsufficientHexLength(uint256,uint256)`
`0x2b0399d5`	TooManyInputs	TaskManager	`TooManyInputs(string,uint256,uint256)`
`0xaa1d49a4`	UUPSUnsupportedProxiableUUID	UUPSUpgradeable	`UUPSUnsupportedProxiableUUID(bytes32)`
`0xe07c8dba`	UUPSUnauthorizedCallContext	UUPSUpgradeable	`UUPSUnauthorizedCallContext()`
`0xcabe5ce4`	UnsupportedType	TaskManager	`UnsupportedType(uint256)`

Next Steps

Learn how to use the CoFHE Errors Package CLI and API
Review common errors troubleshooting guide
Check best practices for FHE development

Introduction

Core Concepts

Confidential Contracts

Examples

Reference

Complete Error Database

Errors by Contract

ACL (8 errors)

TaskManager (16 errors)

Ownable2StepUpgradeable (4 errors)

ERC1967Utils (4 errors)

SafeCast (4 errors)

Errors (4 errors)

ECDSA (3 errors)

Strings (3 errors)

Common (2 errors)

UUPSUpgradeable (2 errors)

Address (1 error)

FHE (1 error)

PlaintextsStorage (1 error)

All Errors (Alphabetical)

Next Steps

Introduction

Core Concepts

Confidential Contracts

Examples

Reference

​Complete Error Database

​Errors by Contract

​ACL (8 errors)

​TaskManager (16 errors)

​Ownable2StepUpgradeable (4 errors)

​ERC1967Utils (4 errors)

​SafeCast (4 errors)

​Errors (4 errors)

​ECDSA (3 errors)

​Strings (3 errors)

​Common (2 errors)

​UUPSUpgradeable (2 errors)

​Address (1 error)

​FHE (1 error)

​PlaintextsStorage (1 error)

​All Errors (Alphabetical)

​Next Steps

Complete Error Database

Errors by Contract

ACL (8 errors)

TaskManager (16 errors)

Ownable2StepUpgradeable (4 errors)

ERC1967Utils (4 errors)

SafeCast (4 errors)

Errors (4 errors)

ECDSA (3 errors)

Strings (3 errors)

Common (2 errors)

UUPSUpgradeable (2 errors)

Address (1 error)

FHE (1 error)

PlaintextsStorage (1 error)

All Errors (Alphabetical)

Next Steps