Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fba87e0f1a08fb256901ddeb6facb6a40c69ed99a820ef2640c96ab753e71ef3:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^