CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> c94087f5ef5d1ee5c59361f7b98c1b717afe0dd8c7472c353ac3d6fc9976a8a8:13:8 | 13 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^