Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3ab23d0ad69600f24fc797917dd50c2f826fdd31379586cc4fed7baedc270a9b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^