Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1755e8f04bac8af4af53a4e9022e69d69d9f35df7cb6db4bd9785750aaa48cc5:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^