Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f56e283f23eaf0bdf1365b0f837598c2431b82da75c8c00a9f1e7ff81fd3499c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^