Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4d2b6728a53221568119568f7423b1aa5f3aef1005cc4d258c2ec4fc421175bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^