Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 46152296e658b53a579dae1379974419a62a475ec484590748869eb5757d5809:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^