Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d7b5be8461d5fddfb78ae5ac8ff5f668016212a087441fa2aff35344a3d74531:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^