Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8506c9668a19b29297ca4958b760bda12da3c534a90df72417a96190731de894:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^