Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 168cf5492be83f7c186528f841037e228729b9acba56076b6e3d5c0c10ebdf0a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^