Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c73c183ae58d766e83fcde9c6085ce6e8778ff769a572030dc0f104b3cc92d49:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^