Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2ca104c18078cd1206dff8a60adbe03ad19fd703f1321bc3d7fabf240bbb0541:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^