Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 915c4dbfc662faa0b4f2ae43fdae24460ac0cbfa1a6500fbd4b6b99d387dac22:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^