Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28f39457ba07eb16f13f148ef01f604e22ca13057c1770b5aa50b65fcb3472c5:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^