Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8c504f998ae2aa499eadce504c8638fdb8681be59354048e4dab2ddd7331cc07:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^