Evolution of the relative difference between output parameters from CIGALE and the true ones with the input fraction of AGN for the three types of AGN considered, normalized to the values obtained with a full photometric coverage. The blue relation corresponds to a photometric coverage containing no sub-mm photometry. Green corresponds to the absence of FIR-sub-mm data. Orange corresponds to the absence of IR data. Finally, the UV was removed for the magenta relation. distribution are shown for every run on the fourth column, we add the distribution corresponding to the total photometric coverage in black for comparison.