Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dee3610d6fc0e6c548f4d49d673dcc0bf8e00f61bd94f6f74055b89661da9a3c:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^