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The ErrorsLib library defines all custom errors used throughout the Morpho Vault V2 system for gas-efficient error handling.

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Errors

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Abdicated

error Abdicated();
Thrown when attempting to use a function that has been abdicated (permanently disabled).

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AbsoluteCapExceeded

error AbsoluteCapExceeded();
Thrown when an operation would exceed the absolute cap limit.

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AbsoluteCapNotDecreasing

error AbsoluteCapNotDecreasing();
Thrown when attempting to decrease an absolute cap to a value that is not lower than the current cap.

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AbsoluteCapNotIncreasing

error AbsoluteCapNotIncreasing();
Thrown when attempting to increase an absolute cap to a value that is not higher than the current cap.

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ApproveReturnedFalse

error ApproveReturnedFalse();
Thrown when an ERC20 approve call returns false.

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ApproveReverted

error ApproveReverted();
Thrown when an ERC20 approve call reverts.

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AutomaticallyTimelocked

error AutomaticallyTimelocked();
Thrown when attempting to execute a function that requires timelock submission first.

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CannotReceiveShares

error CannotReceiveShares();
Thrown when a recipient is not allowed to receive shares based on the receive shares gate.

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CannotReceiveAssets

error CannotReceiveAssets();
Thrown when a recipient is not allowed to receive assets based on the receive assets gate.

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CannotSendShares

error CannotSendShares();
Thrown when a sender is not allowed to send shares based on the send shares gate.

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CannotSendAssets

error CannotSendAssets();
Thrown when a sender is not allowed to send assets based on the send assets gate.

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CapExceeded

error CapExceeded();
Thrown when a general cap limit is exceeded.

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CastOverflow

error CastOverflow();
Thrown when a type cast would result in overflow.

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DataAlreadyPending

error DataAlreadyPending();
Thrown when attempting to submit timelocked data that is already pending.

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DataNotTimelocked

error DataNotTimelocked();
Thrown when attempting to execute data that has not been submitted to the timelock.

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FeeInvariantBroken

error FeeInvariantBroken();
Thrown when the fee invariant is violated.

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FeeTooHigh

error FeeTooHigh();
Thrown when a fee exceeds the maximum allowed value.

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InvalidSigner

error InvalidSigner();
Thrown when a signature verification fails due to an invalid signer.

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MaxRateTooHigh

error MaxRateTooHigh();
Thrown when attempting to set a maximum rate that exceeds the allowed limit.

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NoCode

error NoCode();
Thrown when an expected contract address has no code deployed.

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NotAdapter

error NotAdapter();
Thrown when an address is not a registered adapter.

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NotInAdapterRegistry

error NotInAdapterRegistry();
Thrown when an adapter is not found in the adapter registry.

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PenaltyTooHigh

error PenaltyTooHigh();
Thrown when a penalty exceeds the maximum allowed value.

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PermitDeadlineExpired

error PermitDeadlineExpired();
Thrown when a permit signature has expired.

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RelativeCapAboveOne

error RelativeCapAboveOne();
Thrown when attempting to set a relative cap above 100% (1e18).

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RelativeCapExceeded

error RelativeCapExceeded();
Thrown when an operation would exceed the relative cap limit.

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RelativeCapNotDecreasing

error RelativeCapNotDecreasing();
Thrown when attempting to decrease a relative cap to a value that is not lower than the current cap.

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RelativeCapNotIncreasing

error RelativeCapNotIncreasing();
Thrown when attempting to increase a relative cap to a value that is not higher than the current cap.

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TimelockNotDecreasing

error TimelockNotDecreasing();
Thrown when attempting to decrease a timelock to a value that is not lower than the current duration.

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TimelockNotExpired

error TimelockNotExpired();
Thrown when attempting to execute timelocked data before the timelock period has expired.

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TimelockNotIncreasing

error TimelockNotIncreasing();
Thrown when attempting to increase a timelock to a value that is not higher than the current duration.

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TransferFromReturnedFalse

error TransferFromReturnedFalse();
Thrown when an ERC20 transferFrom call returns false.

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TransferFromReverted

error TransferFromReverted();
Thrown when an ERC20 transferFrom call reverts.

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TransferReturnedFalse

error TransferReturnedFalse();
Thrown when an ERC20 transfer call returns false.

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TransferReverted

error TransferReverted();
Thrown when an ERC20 transfer call reverts.

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Unauthorized

error Unauthorized();
Thrown when a caller does not have the required authorization.

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ZeroAbsoluteCap

error ZeroAbsoluteCap();
Thrown when attempting to set an absolute cap to zero.

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ZeroAddress

error ZeroAddress();
Thrown when a zero address is provided where a valid address is required.

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ZeroAllocation

error ZeroAllocation();
Thrown when attempting an allocation with zero amount.

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Source code

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (c) 2025 Morpho Association
pragma solidity ^0.8.0;

library ErrorsLib {
    error Abdicated();
    error AbsoluteCapExceeded();
    error AbsoluteCapNotDecreasing();
    error AbsoluteCapNotIncreasing();
    error ApproveReturnedFalse();
    error ApproveReverted();
    error AutomaticallyTimelocked();
    error CannotReceiveShares();
    error CannotReceiveAssets();
    error CannotSendShares();
    error CannotSendAssets();
    error CapExceeded();
    error CastOverflow();
    error DataAlreadyPending();
    error DataNotTimelocked();
    error FeeInvariantBroken();
    error FeeTooHigh();
    error InvalidSigner();
    error MaxRateTooHigh();
    error NoCode();
    error NotAdapter();
    error NotInAdapterRegistry();
    error PenaltyTooHigh();
    error PermitDeadlineExpired();
    error RelativeCapAboveOne();
    error RelativeCapExceeded();
    error RelativeCapNotDecreasing();
    error RelativeCapNotIncreasing();
    error TimelockNotDecreasing();
    error TimelockNotExpired();
    error TimelockNotIncreasing();
    error TransferFromReturnedFalse();
    error TransferFromReverted();
    error TransferReturnedFalse();
    error TransferReverted();
    error Unauthorized();
    error ZeroAbsoluteCap();
    error ZeroAddress();
    error ZeroAllocation();
}