Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 52b0f9c6607a1d0a31b46bc7f28a6159e6f713f764933b13b8a3808c2545e430:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^