Buttons "Grid or List" contain a CSRF protection key in a link that Google indexes, ie this key is valid only for the first time address indexing. The next crawl, this link no longer works - and is flagged by Google for an error.
Please correct these links with a suitable FUrl, such as Expanded / Condensed on Stream View

thanks

Links that change state require a CSRF key so you cannot force someone else's experience to change.

We could change those buttons to POST forms instead of URLs if there are issues showing up, though this is the first I've heard of it.

19 minutes ago, bfarber said:

Links that change state require a CSRF key so you cannot force someone else's experience to change.

We could change those buttons to POST forms instead of URLs if there are issues showing up, though this is the first I've heard of it.

2 weeks ago these errors appeared

I can't read Russian, unfortunately - what does that text say?

1 hour ago, bfarber said:

I can't read Russian, unfortunately - what does that text say?

This is Bulgarian language. Russian also use Cyrilic, but the creators of this alphabet are Bulgarians, Cyril and Methodius brothers and created the alphabet 1164 years ago.

The texts that make it difficult for you are:
Examples (Примери)
and
Last crawled (Последно обходени)

The links are from my clubs - I have renamed my clubs to offers.

I'm wondering if it wouldn't make more sense to simply nofollow those particular links. They're not links, in and of themselves, that should be "indexed".

12 minutes ago, bfarber said:

I'm wondering if it wouldn't make more sense to simply nofollow those particular links. They're not links, in and of themselves, that should be "indexed".

Nofollow is good.

Or-> Buttons action is similar Extended and Condensed in Activity Stream, but there are links to them

https://invisioncommunity.com/discover/?view=condensed
https://invisioncommunity.com/discover/?view=expanded

and no crsf key here

2 minutes ago, Adlago said:

Nofollow is good.

Or-> Buttons action is similar Extended and Condensed in Active Stream, but there are links to them

https://invisioncommunity.com/discover/?view=condensed
https://invisioncommunity.com/discover/?view=expanded

and no crsf key here

Yes, but you'll note that if you actually visit those URLs directly they don't work (i.e. your preference isn't changed). The click is submitted via AJAX and does require CSRF protection.

5 minutes ago, bfarber said:

Yes, but you'll note that if you actually visit those URLs directly they don't work (i.e. your preference isn't changed). The click is submitted via AJAX and does require CSRF protection.

Yes, it is. Nofollow is the only solution to these links.