Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 54b954d0028b9a09d05fa6c5308988ff7db35d808b3d1b4cb63eba80039270be:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^