CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> a007a901ca33753fc5bdd9aa9fa60990705fd5fc6154641b53832dae84fdcbca:16:8 | 16 | let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^