Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8247175a6819fddac0838895cd2bad7368ef71c8c450e6bfd30ad41b5b839851:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^