Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7046d1533a781b8f53d4ba96b14b47a382c75ace4167e78fda21bf8c946e7600:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^