Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 138f509a78234bb409040812a2722b9e51ff16cb0376052d54707a42e969b8ba:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^