Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2b8ae95869a26f543e837e73b64b1b4aad628859897fe08fc0ca255d0eae8958:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^