Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69e59f2572b638630a219e3c04d0c4ce7b29b930470042b2b068d44e9c202209:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^