In long AOT06s several parts with reference scans are contained which can go wrong by a different factor. As the software currently interpolates between these reference scans, also the shape of the final spectrum can be wrong. In many cases these factors are of order 1. However, on occasion it can be of the order of thousands, or any value in-between. Because of this reference scanning has been disabled for OLP V6 onwards.
FP fluxes are also wrong.
As the effects of the two bugs can add up or cancel out, factors close to one but also factors 2-3 can occur.