Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e26cde45df28ab7aaccf035834392243b5ed5228f9a7cdfdecb781c398b9cc89:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^