Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> de0759c72b214ff6b71a2cb7d1f1700373d48eda1dfcb9145431baca5f8f411d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^