Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa7e2b8cdd6bab8aeb742b3d103e1bbf8494113d863ab9492a4b7901b0123659:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^