Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f05b5b5c919200c237e66c648aac6e4fb9b119db236bc3f3d4d44ec69f3772aa:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^