Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d514b35b911cebebd17b7ac819923345b2a682d8bdd27289342217b13de6481:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^