CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> 012a1b51ac0cda910eb7a473f0f0cc06d01878eb512c5b5a97d63f51815eac3e:13:8 | 13 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^