Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 669f90dd413ed707295c1f3b2a9dc95061ea05a8fcf3816768739f1a8319d53c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^