Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f44c7046fae9139d32255d4b02b5cf5592e6b437230d321fe7912e5fae6f172:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^