Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4e8a9f6c14afe34c335e2d88c5a450737694544ea373ea045739d8b1f5ec76e9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^