Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6dd0cabe4f542f89769fdd0c6271b99d47524f7baceabb0cfa51e85218cc8114:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^