Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb557338a537860f3b2b4236de2ba1b9b88a0364bba3275da42a1b31afed12d2:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^