Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c1ec163724d1a9fb6d51ffb9a550763eda92f8afe5638ae79ee68fbc6c8346a9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^