Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a81fb28afb25caf41960f7c30ff36d7023d5dbc5f6ab424c1e71ecd63432cfbe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^