Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5d7a66fc37decbdb6f5ebf7bac189e116b80640aa272540c4fab85295e2d685e:15:8
   |
15 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^