Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a35406994f980148f1c666a7693695a18aabd53fb5aaad9c402db1d9b9e2afb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^