I can not change the link icon in the VK group. In the developer console, it gives an error too_many_redirects. How to fix?

Question

HTML

I'm trying to add a link to the site in the "links" section in the VK group. The standard image appears.



I checked the Open Graph settings on the site - everything is ok. I use the SmartCrawl plugin.



At the same time, in VK messages, the site icon is displayed, on FB, of course, everything works.

OK. started looking for solutions. One of the options was this (link) . But there is one BUT: I could not find any share.php in the console. However, I found something else. The following message appeared in the error column:



What are the solutions to this problem?

Website link: mcunic.ru