Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 23241097c71af879cf0fbf53925b7e9cb769edece45a73e3939d9c17bade300f:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^