Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5d0a25ef3ffd162df28cf280979348e4bc571098e68e42637e398682295cba78:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^