Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c23eb378b6c42768e4423b7f2d52b6e9f8a483d828a928938e6ba494b78530f9:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^