Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa5d02cb6682e7fcc012aab49b85096697d2c92ecd9c8be3fe448d3627667018:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^