Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 390b6b8a8f39a961410d9e2a1e55af9adbe04b94a8b6043871037de97aada0b8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^