Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f48f15a4bb5c5decf2edf74de054aadade7d5bb27c60dda9b5348ad89a3868f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^