Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78f343c14135abbd557cdf00185f732b9a267a8c95718bf19166d3fd60fc6a63:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^