Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 62a379e15eb74d739a2d98208514bb05a5ff4bf600ed9d6aa706516e2db0ebb7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^