Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8003c9a93d5f7b76700091d4df8e66e430415c54a20187f9d2215a92b1c173a7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^