> For the complete documentation index, see [llms.txt](https://docs.algebra.finance/algebra-integral-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.algebra.finance/algebra-integral-documentation/algebra-v1-technical-reference/contracts/api-reference-v2.0/v2.0-core/ialgebrapoolerrors.md).

# IAlgebraPoolErrors

## Errors

## locked

`error locked()`

Emitted by the reentrancy guard

## arithmeticError

`error arithmeticError()`

Emitted if arithmetic error occurred

## alreadyInitialized

`error alreadyInitialized()`

Emitted if an attempt is made to initialize the pool twice

## zeroAmountRequired

`error zeroAmountRequired()`

Emitted if 0 is passed as amountRequired to swap function

## invalidAmountRequired

`error invalidAmountRequired()`

Emitted if invalid amount is passed as amountRequired to swapSupportingFeeOnInputTokens function

## insufficientInputAmount

`error insufficientInputAmount()`

Emitted if the pool received fewer tokens than it should have

## insufficientAmountReceivedAtMint

`error insufficientAmountReceivedAtMint()`

Emitted if the pool received fewer tokens than it should have to mint calculated actual liquidity

## zeroLiquidityDesired

`error zeroLiquidityDesired()`

Emitted if there was an attempt to mint zero liquidity

## zeroLiquidityActual

`error zeroLiquidityActual()`

Emitted if actual amount of liquidity is zero (due to insufficient amount of tokens received)

## flashInsufficientPaid0

`error flashInsufficientPaid0()`

Emitted if the pool received fewer tokens{0,1} after flash than it should have

## flashInsufficientPaid1

`error flashInsufficientPaid1()`

## invalidLimitSqrtPrice

`error invalidLimitSqrtPrice()`

Emitted if limitSqrtPrice param is incorrect

## tickIsNotSpaced

`error tickIsNotSpaced()`

Tick must be divisible by tickspacing

## notAllowed

`error notAllowed()`

Emitted if a method is called that is accessible only to the factory owner or dedicated role

## onlyFarming

`error onlyFarming()`

Emitted if a method is called that is accessible only to the farming

## invalidNewTickSpacing

`error invalidNewTickSpacing()`

## invalidNewCommunityFee

`error invalidNewCommunityFee()`

## invalidTickForLimitOrder

`error invalidTickForLimitOrder()`

Emitted if tick is too low/high for limit order

## invalidAmountForLimitOrder

`error invalidAmountForLimitOrder()`

Emitted if amount is too high for limit order

## liquiditySub

`error liquiditySub()`

Emitted if liquidity underflows

## liquidityAdd

`error liquidityAdd()`

Emitted if liquidity overflows

## topTickLowerThanBottomTick

`error topTickLowerThanBottomTick()`

## bottomTickLowerThanMIN

`error bottomTickLowerThanMIN()`

## topTickAboveMAX

`error topTickAboveMAX()`

## liquidityOverflow

`error liquidityOverflow()`

## tickIsNotInitialized

`error tickIsNotInitialized()`

## tickInvalidLinks

`error tickInvalidLinks()`

## transferFailed

`error transferFailed()`

## tickOutOfRange

`error tickOutOfRange()`

## priceOutOfRange

`error priceOutOfRange()`