Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 152f23599ea75e7c17072c1c708fb47b40fa09e53e12142f0b7116fed021143e:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^