Can't update privacy policy page 502 bad gateway

I’m attempting to update my terms of service on my site to this new template:

However, when I save my edit, the status says “saving” for about a minute before prompting me with a 502 error.

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This is obviously a rather large post, but I can’t reproduce the issue on any of my other topics. Can anyone think of another clue to figure out what’s causing this? I’d really like to update the TOS :wink: