Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1dbd44cab33140a302126a2b692f0d7b6a3e26b329f68f9671fab67fcd95f322:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^