Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf81511755efda594830c193202374566003e16ca2e5bee4860bcda1c2c4ccaf:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^