Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a01715618e62f69dea81225db9b1d44d654e3c0dc58fa8592ffd9971cf5ce8a9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^