Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8f71aa6d0e5edd949a7f4f51fb0f80642b080f9e40471b77fddf350cd68d7a5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^