Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 493ad43b5d0fda1289389d8712f613c7a3609f7e91cf56b2d68fa1eb6109f3db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^