CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> 0c847cf4c73eef597c36208cf15856790f6a2f1d9598a0cc3564c6c70eaf9dbf:16:8 | 16 | let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^