Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7acf766ffbd67317ed892a48f152811a677164b12b69606f2cda2a5faa6f52cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^