Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4a18416f6eeb9d2c3fc5a177250924e1e7e9290464713739a7e1fcf6875e5c0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^