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: --> dd4cb6b578f48e1dec127c5c6ed9e30fe9ce2d7ee1131d44b194cfecc3c94b5b:19:11 | 19 | if tryBI(tokenInVault: flowTokenVault) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: underflow --> dd4cb6b578f48e1dec127c5c6ed9e30fe9ce2d7ee1131d44b194cfecc3c94b5b:35:24 | 35 | let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^