Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c3d837bf31cff9ec750642bfbc62c71b9cf33a7915b45eafbfae363e51e4bb15:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^