Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2c301b59ab7fd275a51461f93aedf643a6ab8874f5752177db74a3756cbcdf9d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^