CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: --> 9117afa2eb9c7bde8e34cbf7c078aed9d067da3e05501cbc8a150269c610b9e0:18:8 | 18 | tryBM(tokenInVault: flowTokenVault) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --> 9117afa2eb9c7bde8e34cbf7c078aed9d067da3e05501cbc8a150269c610b9e0:88:261 | 88 | let exactVaultIn <- tokenInVault.withdraw(amount: cur);let minfo = mpool.getReserves();let forAmount = SwapConfig.getAmountOutVolatile(amountIn: exactVaultIn.balance, reserveIn: minfo[1], reserveOut: minfo[0], swapFeeRateBps: 30);let token0Vault <- mpool.swap(fromVault: <-exactVaultIn, forAmount: forAmount);let token1Vault <- UsdcUsdtSwapPair.swapToken1ForToken2(from: <- (token0Vault as! @FiatToken.Vault)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: assertion failed: Metapier PierPair: K not maintained --> 609e10301860b683.PierPair:94:12