Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 166dfed304d7e30df8ccefbe3eb0879a421ef18a7e5f9534cf87a03091b38499:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^