Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e81807686110d6aced62f45ab6290b444c3d3723201b82b9e713544ac329585b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^