CODE_ERROR

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

[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: error: underflow --> 7750fd811d41fa40633a9992b4c40e39f2072e1c7255a22122ca9fd22f086fd4:18:17 | 18 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^