Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 569ac62c573048cb3d8d4d1ed2d82cd32591a4926dbcaf69e0786be863abf231:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^