Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d63dcdd3a0cba05f15cf07960433b66d8a1ebe3d398f230636c46f75f476d8c5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^