Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c40956499808c2dc9b8c817f235ab0e99bcad0ab814fe7adddf1b7f1ff63ccf7:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^