Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3d8ac37800950742e7a8532667ef4d462ac282e4e4fc7149dfbd0098634a6859:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^