Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6bccc7bf4733e0a406353aa82a8d73736a60f177f8e49fb76122999a6e5255eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^