Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7a20be5c8c211cb3362137d55dd388975edc5f1c7d1566a07a32d786feb0d9a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^