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 --> 0b98e40f68d3e4a6cae212da6a8db591eb35d8988f2ec0d8ec91573c45dc356d:18:17 | 18 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^