Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 820ddf50d8a8a58ebb5ac9f09b9b23d1d3681f1e79f78c8ecc13932070607931:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^