Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> beff94daea12f00c3703a00fe7b93ed55e4e0a42c84a8af2806c63014cc92ba7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^