Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b30e07e19f3c94c0eb50c341834b6a60f89b7016f7639fb79f5e126f7c247b3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^