Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bd3bdfa6087054fd87572fa1fd3c5db5211ccb0bf3f9d8fc5226532567f47a75:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^