Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6ca1c5901a6da44da455e46a9f67171c8194b76686e8c113aff29e9d006ad2cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^