Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 73a425c78ea981a5ffb75939107b0d9ef92314e0ec906537c1fa201413c0690a:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^