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: --> 616e52e69a15e9c7a6f2a8fcf7c123160c652c98b5bff5f58ff5fcc9170fd3cb:19:11 | 19 | if tryBI(tokenInVault: flowTokenVault) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: underflow --> 616e52e69a15e9c7a6f2a8fcf7c123160c652c98b5bff5f58ff5fcc9170fd3cb:35:24 | 35 | let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^