Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72f3b18238546f6a5ea60c8b7f37a9b32ffe84e2ad96f6eba95501338d47f833:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^