Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 01fcf6a70017de519224373f095c0381bf13549eeb54378c9867e8b019cb2ff7:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^