Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b60dff3ac0cdda7678d542d90e8f9d527c94a46443b4f5c2d36239f6ade05672:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^