Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2d25fa2754f731af3b29892ff84c7548166029b64432598e58a4495253b4fa0b:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^