Enter a value on any instance parameter on the panel, door, window, or wall sweep. If they generate the same warning, they are corrupt and must be redesigned.
These warnings can occur with wall sweeps, curtain wall doors, windows, or panels when importing data using the Import from Link feature.
These panels are corrupt for some reason. You can verify this by trying to enter any value into the parameters on these panels. These elements need to be fixed before importing any data
Can't create Curtain Wall Mullion, the portion of the curtain grid it was placed on longer exists
These mullions/grids are corrupt for some reason. You can verify this by trying to enter any value into the parameters on these objects. These elements need to be fixed before importing any data.
Solution
To check that this is the issue, undo the import so the original panels exist in the model.
Use the ID numbers to select elements by id, Manage → Selection by Id
Use the id from the warning message to select the component, once selected, locate it using "Selection box". This will isolate the geometry in a default 3D view.