Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dbfcd9d509368c05a995baf71cf4113afd9618e9dfc984a735bcaf46afeeac1e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^