Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9ed4cdaa2b1fde11eb3455cf08d973d64d3d21597a304c713d6745cab49280c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^