Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72ad0441436e9cc7f90bcfc8e9063abd159569f7ed4c225027b77cfb850c76e0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^