Class 3 Error
If the methane air flamelet library CH4_Air_Tf298K_Tox298K_p1bar.fll is used, then there is a 4% error in the species mass balance (C, H, O and N), which leads to an error in the flue gas composition.
This is due to a bug in the formulation of the flam
There is no workaround.
There is no fix yet.