> ## Documentation Index > Fetch the complete documentation index at: https://docs.hadron.fi/llms.txt > Use this file to discover all available pages before exploring further. # Error Reference > All Hadron program error codes and what they mean. When a transaction fails, the program returns a custom error code. Match the code from your transaction logs to this table. ## Common errors | Code | Name | Description | | ---- | ----------------------- | --------------------------------------------------------------------- | | 4 | `Unauthorized` | Signer is not the pool authority | | 7 | `InsufficientLiquidity` | Not enough liquidity in the pool to fill the swap | | 8 | `SlippageExceeded` | Output amount is below `minOut` | | 15 | `ZeroSwapAmount` | Swap input amount is zero | | 16 | `PoolPaused` | Pool is paused — no swaps or deposits allowed | | 37 | `StaleOracle` | Oracle hasn't been updated recently enough (exceeds `deltaStaleness`) | | 38 | `Expired` | Transaction slot deadline has passed | ## All error codes | Code | Name | Description | | ---- | ---------------------------------------- | --------------------------------------------------------------------------------------------- | | 0 | `NotSigner` | Account is not a signer | | 1 | `InvalidOwner` | Account has wrong owner | | 2 | `InvalidAccountData` | Account data is malformed or wrong size | | 3 | `InvalidAddress` | Account address doesn't match expected PDA | | 4 | `Unauthorized` | Signer is not the pool authority | | 5 | `PoolNotInitialized` | Pool has not been initialized yet | | 6 | `PoolAlreadyInitialized` | Pool has already been initialized | | 7 | `InsufficientLiquidity` | Not enough liquidity to fill the swap | | 8 | `SlippageExceeded` | Output amount is below `minOut` | | 9 | `CurvePointsNotSorted` | Curve points must be sorted by ascending x value | | 10 | `CurveDuplicateX` | Curve has duplicate x values | | 11 | `CurveTooManyPoints` | Curve exceeds the max points limit | | 12 | `CurveEmpty` | Curve has zero points | | 13 | `InvalidMidprice` | Midprice value is invalid | | 14 | `MathOverflow` | Arithmetic overflow during calculation | | 15 | `ZeroSwapAmount` | Swap input amount is zero | | 16 | `PoolPaused` | Pool is paused | | 17 | `FeeConfigAlreadyInitialized` | Global fee config already exists | | 18 | `FeeConfigNotInitialized` | Global fee config doesn't exist yet | | 19 | `NotFeeAdmin` | Signer is not the fee admin | | 20 | `InvalidFeePpm` | Fee PPM value is out of range | | 21 | `RiskCurveXOutOfRange` | Risk curve x-value must be between 0 and Q32\_ONE | | 22 | `SequenceTooOld` | Oracle update sequence must be >= current sequence | | 23 | `PrefabSlotOutOfRange` | Prefab slot index exceeds pool's max slots | | 25 | `PrefabSlotNotInitialized` | Target prefab slot has no curve data | | 27 | `SpreadConfigAlreadyInitialized` | Spread config already exists | | 28 | `SpreadConfigNotInitialized` | Spread config doesn't exist yet | | 29 | `TooManySpreadTriggers` | Too many spread triggers | | 30 | `SpreadConfigRequired` | Pool has spread config but it wasn't provided in accounts | | 31 | `SpreadConfigInvalidOwner` | Spread config account not owned by program | | 32 | `ConfigInvalidOwner` | Config account not owned by program | | 33 | `MidpriceOracleInvalidOwner` | Oracle account not owned by program | | 34 | `CurveMetaInvalidOwner` | CurveMeta account not owned by program | | 35 | `CurvePrefabsInvalidOwner` | CurvePrefabs account not owned by program | | 36 | `FeeConfigInvalidOwner` | FeeConfig account not owned by program | | 37 | `StaleOracle` | Oracle hasn't been updated within `deltaStaleness` slots | | 38 | `Expired` | Transaction slot deadline has passed | | 39 | `NoPendingNomination` | No pending authority transfer to accept | | 40 | `NominationExpired` | Authority nomination has expired | | 41 | `InvalidNominee` | Signer is not the nominated authority | | 42 | `NominateSelf` | Cannot nominate current authority as new authority | | 43 | `InvalidNominationExpiry` | Nomination expiry slot must be in the future | | 44 | `InvalidTokenProgram` | Must be SPL Token or Token-2022 | | 45 | `PriceCurveXOutOfRange` | Price curve x-value out of range in percent mode | | 46 | `CurveUpdatesBufferFull` | Curve updates buffer is full — apply before submitting more | | 47 | `CurveUpdatesInvalidOwner` | CurveUpdates account not owned by program | | 48 | `CurveMetaMismatch` | CurveMeta address doesn't belong to this pool | | 50 | `InvalidRiskMode` | Risk mode must be 0 (Virtual) or 1 (Integrated) | | 51 | `IntegratedRiskUnsupportedInterpolation` | Integrated risk mode doesn't support this interpolation type | | 52 | `VaultsNotEmpty` | Vaults must be empty before closing pool | | 53 | `InvalidPoolState` | Pool state must be 1 (Initialized), 2 (Paused), or 3 (RejectSwaps) and different from current | | 54 | `MaxPrefabSlotsOutOfRange` | Max prefab slots must be 1–16 | | 55 | `MaxCurvePointsOutOfRange` | Max curve points must be 1–128 | | 56 | `VaultAddressMismatch` | Vault address does not match derived PDA | | 57 | `VaultTokenAccountTooSmall` | Vault token account data too small | | 58 | `UserTokenAccountTooSmall` | User token account data too small | | 59 | `VaultMintMismatch` | Vault token account mint does not match config | | 60 | `UserTokenAccountInvalid` | User token account has wrong owner or mint | | 61 | `ConcavityViolation` | Curve interpolation params violate output concavity constraints | | 62 | `PriceFactorTooLarge` | Price factor exceeds 1.0 (Q32\_ONE) — price curves must have factors ≤ 1.0 | | 63 | `PoolFeeConfigAlreadyInitialized` | Pool fee config already initialized | | 64 | `PoolFeeConfigNotInitialized` | Pool fee config not initialized | | 66 | `AssetFeeCapExceeded` | Per-asset-pair fee table is full (max entries reached) | | 67 | `CurveUpdateSlotMismatch` | Curve update `target_slot` does not match the active slot for the op's curve type | | 68 | `RiskCurveMonotonicityViolation` | Risk curve is not monotone (segment shape or factor sequence) | | 70 | `InvalidTriggerSpreadBps` | Spread trigger `spread_bps` must be non-zero | | 71 | `PoolAlreadyClosed` | Pool is closed (terminal state) — operation not permitted | | 72 | `CurveUpdateExpectedXMismatch` | Curve update `expected_x_in` does not match the current point at `point_index` | | 73 | `ValidationSimulationSuccess` | `ValidateCurveUpdates` dry-run succeeded (intentional revert; surfaced via simulation) | | 74 | `NotDepositAuthority` | Signer is not the deposit authority | | 75 | `NotWithdrawAuthority` | Signer is not the withdraw authority | | 76 | `RotateToZero` | Rotation target is the zero pubkey | | 77 | `RotateNoOp` | Rotation target equals the current authority (no-op) | | 78 | `DrawdownGuardDisabled` | Drawdown guard is disabled |