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 --> a786078ccbe1a92d8219555735656d507648938b6efb0cb9f3c5d23aaaede056:14:8 | 14 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^