Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1aa87f7ec3367f9bdf0159848aafa13f8d9e8da70327925aa90208f065f6ade7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^