Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 731b8ec16cda518b6017f39dffba0e32ec0aa502b307fd35ae94d81cc4c413cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^