Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e421a7a24f6afed9db5e9a876e15af46037e71ee33c92309ffb67d3d1fa488fc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^