Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6ea53e2197f64d851a10a918998014734a9e5c1dafdff9d89b5ed9ddf0db6fd7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^