Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ee3b209a6d29f549796d0deeffb1cc8d4bfdc506b1987faaa2fe1ea019155d79:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^