Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f23b6c4bd368c9efd12f5adef99e5419a1422e1984feef4f6eadfe05e2723a5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^