Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af77e3764d60ec62435c0cabc15ff736723eff6e099b729dbf2d3b1c1f3c85cc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^