Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75ffa2bf5c320420eb63593c9fc7bfed988c0bc1b2bf3515e537c0cdd2e10651:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^