Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e7d7272c42d3d6c35c08fef49291d5d42eec6fb843cdce394cec714660dba860:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^