Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2630178aceeefa614d36d1325f25611251296a0586149fa9fceed40589887c5:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^