CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> d45f61c7e549a55a39aeadd9c4ec9e1d9d40250c8f4baf7241b9bad876373144:13:8 | 13 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^