Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbda127785afb6d00795f8b0159ac4089a23320513692590da80611deffef673:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^