Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d91285bac9139917f666746f00201d14035fec0561aa5576f878f9d81db6af47:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^