Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91e581a9056c3e40148ab42ce144aa6fe68eea3c2ca0048d3018eb9a4926081a:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^