Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b74913d466f71008ac892b735ebe55d6cb28de0170b357bd99c6c5d50ae18a0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^