Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5474ba01890d6bfc376264a796186fb00a33384d1592d90da334ba808d8ef0cb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^