Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 46d2e26b7be83c5c406b1f98f72b1b85b834dfb9332beb521ff55e785aff7e72:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^