Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b71b6cbb60211d51ab0839dcb0bf33bf6043297948f142418a3e9a1889f315d8:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^