Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d1252a08c1d395dde3c09f6a1185cb55f33b6d5e9d51c5fc62bbe2d87eea5ea3:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^