Affects Version/s: 6.1.1 CE GA2, 6.1.20 EE GA2
Steps of reproduction:
1. Go to Control Panel -> Categories
2. Create a new Vocabulary.
3. Create two categories into this Vocabulary (e.g. Cat1. Cat2)
4. Create a subcategory for both of them. (e.g. Cat1 -> Cat11, Cat2 -> Cat21)
5. Go to your site, and create an Asset Publisher.
6. Click on Configuration.
7. Under the Filter Select "Contains" "All" of the following "Categories"
8. Click on Select button, and choose two categories, which have subcategories (e.g. Cat1, Cat2) or two subcategories (e.g. Cat11, Cat21).
9. Click on Save
10. The result is an error message in the log. I attach this.