Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 426f3ebeaa086114cf983d1d2ac1f37a2f1862ebf677c9901815cb54333b0767:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^