Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf13b1f6e4eadce6df6f3a6e1fa01d917c33f7c7613117b2d44e3eb2f3038fab:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^