Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1d8c33560100fbf1b5d1e970d409cd90a43db07d2d0c39ff08359869d9864cd1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^