we use AFO for Planning (BI-IP) and for new lines we use characteristic relationship for F4 help.
Everything works fine, when we use F4 Help for material only valid values based on characteristic relationship are shown. When we search in Result List using KEY - everything works fine, we will get no result for materials which do not match with characteristic relationship. BUT when we use TEXT search, we get as result all Materials.
As you can see in screenshots, Material 6000556 should not be available:
When we use TEXT Search, material number can be selected:
Why is there a difference in behavior when using KEY or TEXT search?