Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 17ac4232271ab2c5a7126ef143554a55d1a65efa4e4840e30debfb574443f424:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^