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 --> 3175906721a2e16637d699663e0f45d9e6c113b33aaef5c6bb1fdc54f742332a:18:17 | 18 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^