Definition of the quality flags

Option: 0 (0=show all flags, x=hexadecimal)

1 large error in the axial ratio b/a (exceeds the 98th percentile)
2 large error in the background estimation (exceeds the 98th percentile)
4 large error in the Sersic index n (exceeds the 98th percentile)
8 large error in the effective radius Re (exceeds the 98th percentile)
16 large error in the magnitude mag (exceeds the 98th percentile)
32 the Sersic index was set to boundaries 0.5 or 8.0