Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cbef592782789c93c96804be8892646fe777b6962d917196400315ea2e3a15b1:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^