Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dfbcfc70b410acecfcc1b64d0fbfc2b9cf4f8ee7916c3340da59ec99fa3d6fc8:16:8
   |
16 |         let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^