Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86531e6e98dc34bc7fcd28a36e83928dc4ad42f6ef45967666796d7b681af74d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^