Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f5f5185ea5a22cf0430d795d63a417611c2cbbf436402cd1c68743680dab761b:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^