Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86fd1db12d8a23f490274bf1623d9e20af6d5b13822b5856652a78964a2fe245:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^