Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 325d3f7433059ede08d98a80978aca72ad71bdbbd78ccf3bdf5e109b21be1620:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^