Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e42b1775b7454fcc8cf434356bdb3b4a2b2b9fb0c3d26388cf88d0f7aae0623:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^