Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5b21c3ac2834622d222a787171eee4e6b566c8b5e2bcbd4ad16f7df9067382f2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^