Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2160e649de66d1e91f9da64c14719079ec5eb1f3fe769018a447304927b45d0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^