|| getting messed now after pressing Rebuild...
Well, going deeper, how can i now fix this mess ?
It should be
Root
-Products
-Brushes
-Art Gel
+Acrylic Line
-Finish Gel
-Filer/Buffer
-Shellplate Sticker
-Books
-Video Training
-Brand
KKSP
Now i have messed it up completely ?!
//Edit
It should look like
//Edit
Fixed it with PhPmyadmin, i defined root back to parent ID to 0 and deleted KKSP Design Category ID/Table from the Database.
Rebuild it and all looks back how i wanted it.
Strange that you cant do this without phpmyadmin, and not directly in the backend.