Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 47af89cc4256e2f54143f035477852bc0a2a002b1a7430ba86fb497c1f74d52a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^