Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc2129c52b8c764ffe602b5101e5fb1fef2011f0a5fa120380337b22832e4ce3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^