Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 905e2ac630b2704baf78c545084779c21fa8f9d972f15c9ca8d923b79cb5de2b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^