Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ed6e1bfb9f455d905f9cd8d76fa9b8ac86817dae871fd78993aa05ecfe7d9666:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^