Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c5fb2aeea348d909b26931ca75ff02cc133b92362efab33fdf4aa8d9bc446d6c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^