Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc8b5d832ba211a58c0159a36d243b9c797706ec2d9fc04dc7a2631a7216a32a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^