Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac5c167c3badafe66f30af57bfcd1612854b1302c7de1ea38b67cc500dd142a3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^