CODE_ERROR

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

[Error Code: 1101] error caused by: 1 error occurred: * transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed: error: underflow --> 9344f047d630f31e515721bfd5f81b59b23d3a4a2488693be4202e2717d8fb12:18:8 | 18 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^