Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78407d6c766b77bd8612b08f0e1d0d90ac11159537a42e0aca0b6ab29d165f7f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^