Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff4ac8050287f4e36f74279643acace0e4d819f0d4b7d6aa203d5a474cd758e0:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^