Ruben,
I have not yet open a ticket as I don't know how to address the issue.
I have disabled the nginx in CP to see if anything changed a few hours ago.
- A few minutes ago I created a new post. It was swift and it all went fast and well.
- Next I did was to edit the post just one dot and submitted. It did not work well, next page read
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Then deleted the thread and after submitting it did not work well. It got stuck for a few minutes before changing to correct page.
I better enable nginx again soon cause the problem is same enabled or not.