Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3643f1986651ea8dd9d93583a8426e790a0380d62dffc05cfd18a2bcea04e31e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^