Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7caf160cb3597e482988c7e9409e51e3b306a59bbfdaf637bb2f627bbd32fefd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^