Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c774530264c0806355679a48ab1a9aa5fbb0bc0169e70754c6c3c5d7efd78ef4:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^