CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> f4433712aae1fb4d6b37df957484ac0e8434e4d9d5c6c56541dfc042ad11d320:17:16 | 17 | } else {let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I2B1;let f2 = fee * I2 / scale + feefee*B2/scale;res = f1*scale/f2;} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^