Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1601e80495dc189847e63608294f11151ea1c7265af40801007acab3e5d22c43:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^