Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ffd3db21838fc4ccaf8d877730b9f4cd33058f7d4d264e5f4ca04cf48be7326:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^