Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 696fe9125d569be0fda9d23b4871fa71afe9eea256a58cb182128a257c2d87cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^