Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2e9f148dee05309b05c6291661425b8b24892a4252aad31813905643b552d370:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^