Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc873820386070a0f3723ba55bbb8c5b95772d480a0a0442ba8fcd6801ca8eea:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^