Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56701343fed2ce81aa10c44ea2f18d88dce37ec0d0499e575967aa474b416750:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^