Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3e35e460ca1004a6c9d3190fe216b303b73e14258e2f62dad2d616ba69512c9a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^