Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b87220f2501f3d6442767ae965151def440cae05a410c5a42e2083cd1ad3beb2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^