Here is a second occurrence of the same glitch. There is a good chance posting to the forum will fix it, but I am posting the link as is to show there is probably an underlying bug that needs fixing.
https://www.chess.com/forum/view/general/will-computers-ever-solve-chess?page=194
Hello Elroch,
so when you click on this link: https://www.chess.com/forum/view/off-topic/global-warming---its-real-dummies?page=360
It loads a broken page?
That doesn't seem to be the case for me. Is this still happening to you? All the links you posted all seem to work for me.
EDIT: since writing the post below, I tried posting in the forum and this appeared to fix the anomalous behaviour, presumably because the new post was correctly numbered and the corrupted last page number in the database was replaced by a correct one.
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A long-standing forum in Off Topic currently appears to have a post from 9 hours ago as I write, but only a corrupted page comes from the link in "My Forums":
https://www.chess.com/forum/view/off-topic/global-warming---its-real-dummies?page=387#last_comment
Some experimentation has revealed that the same problem is now visible on all pages from 360 to 387. Eg:
https://www.chess.com/forum/view/off-topic/global-warming---its-real-dummies?page=360
But page 359 is displaying normally:
https://www.chess.com/forum/view/off-topic/global-warming---its-real-dummies?page=359#last_comment
This reveals part of what has gone wrong: the most recent post is visible at the end of page 359 (it is post #7173). So it looks like all the pages from there are not real, but are the result of a glitch, possibly whereever the latest page number is stored.
[Context - accessing off topic forum from link in "my forums", Chrome 62.0.3202.94 (Official Build) (64-bit) on Windows 7. Note this is not my usual PC, but I am using V3].