Why does Magento say "categories out of stock"?

Question

Magento

Although they are active and contain products c2n.me/3eSaIyc c2n.me/3eSaMy0
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Answer 1

The message on the storefront "categories out of stock" means that the current store (displayed on the storefront) of the Magento multi-store system does not have product sections.
The fact that there are some product sections in the administrative part does not mean that these product sections are linked to the current store.
To link product sections to a specific store, you must make them subsections of the root section of this store.
The root section, in turn, must be linked to this store in the administrative section of store management (in the Russian assembly of Magento, this is done in the "System" → "Stores" section).

Answer 2

I'm not sure, but if you imagine for a moment :) that Magento has a terrible translation, then it may be that you need to check the products:
Screenshot 1: clip2net.com/s/3eSoRyy Screenshot
2: clip2net.com/s/3eSoRLw