Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3baf39dd7a3ec39893b87638b4e44db6c6e5567b6defe0bb6d33515330ca703c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^