Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 97f6e96b800c7754fe8684691846f00ae11b4924b1e7583cc501b235a0277cd9:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^