Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8d5558340a9d08009136dbb7e0aa3980afe8bec43b70bdd5698adfaaa560eb56:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^