Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 68ad9d0813f99361c2b1f7d017282347e5fc8fdd28aea17d2e762d3b82ad2128:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^