Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> eebf4927956c801ff5d7a51b7d1ff268552f38270889a49d3fc9e10d7f5feab0:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^