Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75e9d893b086be89936c047394e239253a6900be133a11a5d3622bd7aa479c8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^