Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c030ab19c23d0e6f64e8d1d82e6089929e04f49a0c5d3109e2a00e03ce37ed55:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^