Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ee3b826d99761c910b182e0a09c69c422845549c7a5114278f3f5a473c9eec81:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^