Just adding some products a few minutes ago, and I seem to be missing the category selection option for the product.

It's just not there! There are categories, set to display, but they don't list any products. (categories do list products, I had a filter on for some reason!)

When the existing products were created, they were put into various categories.

Also, the options for stock status, quantity and tax class have all disappeard too - not sure if it's related, if not I'll ask a new question for those.

Running Magento 2.1.7. I've beens earching for a good while now, but can't find anything relevant to help (most issues involving categories are about not showing on the front end).


  • Custom module are disabled?
    – Nolwennig
    Nov 15, 2017 at 15:21
  • Cache been cleared?
    – Nolwennig
    Nov 15, 2017 at 15:22
  • All caches have been cleared mutliple times, which I understand would normally fix the frontend issue, but the back end?
    – KolonUK
    Nov 16, 2017 at 15:19
  • There are custom modules, but they haven't been changed since it was working.
    – KolonUK
    Nov 16, 2017 at 15:23
  • nothing in var/log or in var/report?
    – Nolwennig
    Nov 23, 2017 at 12:43

1 Answer 1


OK, I think I figured out what the issue was.

I had accidentally deleted the relevant attribute. Seeing as Magento is constructed around attributes, and I guess the backend HTML template (or similar) does special things with special attributes, like the categories or the Tax Class etc.

I only figured this out accidentally when I was comparing live to demo for something else. As such, instead of trying to figure out what else I had done, I just got the DB recreated and carried on.

This is not a real answer - perhaps Magento should have certain categories protected in some way...

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