Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad0dad515925622a96ce71f9a48d3f698d6d215ea57a22488fd1a03ca989bfe3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^