Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7ef1cfbbd2aa51232f9992484c931a03501ca6f991fad9a2e1e5af85e3cecadc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^