Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 986eae0486d9f650bc99099d1d4ba1dec7694a807ead9577c65d377d32643497:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^