Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 273774801a8e113c72cb7352702e1b8a5c844f1b3f9081a1b3535f17509d4815:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^