Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f2f5043e7d475a3f11a9012b8f8b85f9a71383b43967b172f2ddf5e1cab11636:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^