Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 403925db689d2fe95475f6f8b7f5478c7fc2450faf2623f9377ce6ae59d93ab5:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^