Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 65494921cd89c9b93e3b9d753e7d8886a21288ec03d3ae9d450b7042ce309d91:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^