Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f32f5a7ce540931986d82a0f1319b8267a2ff3d1eeb284b3a9c75b49e8c4698b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^