Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d60b7a00f24acc87dd0c8471eb23be4f72dbce68f242307d5ad9863b6562af7b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^