Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9feff38a0bd9aafb195507efc69b3503888ff49845eb3f274e239b69d216da69:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^