Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 54296b93d07f5f74c9b117db49a4e7bed420a7b5bb7aef581acc5771b61ff44f:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^