Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 576993a6205750e294f0281875f065665318a5af18461e57ecf3587bdef08f59:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^