Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 292feda3529702aa79f995b59e6b1b2ffb3ae74dda479ab27be8870492512333:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^