Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f93a494ad06b1e7654851c3a20c5fb7e190b6366343d5b8f6e5c125048c4ef67:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^