I'm trying to add categories to my products via Admin UI but unfortunately, the field in the backend is empty and doesn't show my categories: I've had this problem since some weeks, but usually it was fixed when I flushed the cache, but now I can't fix it again.
For this specific product, the database entries from the table
catalog_catgory_product look like this:
When I look at the table
catalog_category_product_index, the entries for this product are the following:
I guess these differences break the backend field, as it can't match the ids 2 and 7/9. What am I missing?
I already tried rebuildung the indices
Found some differences in
In my local installation where everything works, the variable
copyNodes in the method
parseOptions() has the following format: