Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3cb1478e3f514ef6bd899038f7e31a7e05ca31f834b65f9a01f7952afa4c8127:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^