Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aef8e80afbb8a2e2d69e70c9b218e001c6c25819657bd9cca61e166cb284a237:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^