Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9814969ec889031f8845800df1185b4edb35bba56410521de5f338a05d79be4:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^