Diagnosis
A feature that accesses a subfeature can only be saved or generated ifthe subfeature in question exists and has been checked and saved.

Procedure
Save the feature using the Save without check function.
Then save (and check) the subfeature.
Then generate/save the initial feature once more.
Note:
Choosing the subfeature in question takes you to the featuremaintenance screen for this subfeature, where you can save it. The Backfunction takes you back to the feature maintenance screen for theinitial feature.