Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e76d65b156b7ecc0e0bd215743e7c93dbb5b62a10e6f63d9e87050a7a08a0ac9:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^