Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 993fa88aae59f037bafc66efdfcd94ed06ffba8817f4b02fe73253cc65d3fb4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^