Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0be4d04759f0b14142adcc4d96ee9437f17c18ed2b219847b4eb4fc269ccbf45:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^