Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a91f77e6b07ba26793398db4f40ac04170ab4bd4a9b1ce5d8c3fc8e236f2731:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^