Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 424a044f221fa2380125df309993dea3a723cdb0f54b60e4339c4100ec23fd32:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^