Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89af42535c9f1a072d4b0aca85e44b04d04342d49c878080d805bc3d57cd63d7:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^