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 --> 158b5edc65f41de7382d0149cf13239b72ee2be04d3ee3f33683cd0ef6247458:18:17 | 18 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^