Check your Databook configuration and see what the settings are for the visibility of these properties in the grid, and also the setting of the 'Maintain Property Visibility' on the properties tab of the same dialog, these two interact.
See also this posting:
Yes, I know these things. Our Databook configuration:
In the symbol definition the properties are visible.
The strange thing is, that this happens only occasionally. So not with every live verification and when it happens, than not with every component.
Does anyone in the community experencied similar behaviour? Otherwise I will open a service request.