Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a1d61feea6a2f2afb2c86abcfbdaba2fa8290e73c5a2d2af07023173c2bbc78:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^