Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 10693c0bf7ed4cedc9643f109c9248012346a2618eed72c4f7b58d51307acdb9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^