Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6f3e954d5eb8c235e96b529e22fd12b548e3a6f4864ce2f44524a11f541ca74e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^