Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9be641a1bce968e8a6a925a2611c2720bf03d8a2e3eac7402b8772ea833a220d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^