Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 769681ce1e9d3b29716c870bd4afc601882e8eaaedc727fb3505147976152d4f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^