Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 14b462b065a28983107f0613d4b7df1960b6aba43b5d58071152e3881105ef2a:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^