Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e980e42583b385d498b99980131a46c9b3cf17c87ec0509b1f2cd4128ab2d4e5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^