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: --> 9fd23685e407d2c39f0dd05fd84118c0e905e0332c712af62fd762e1f0b749fd:17:8 | 17 | tryBI(tokenInVault: flowTokenVault) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: underflow --> 9fd23685e407d2c39f0dd05fd84118c0e905e0332c712af62fd762e1f0b749fd:29:24 | 29 | let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^