Edit page is blank (5.5.2.1)
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I have an old install (5.5.2.1) that a client has used flawlessly for 3 years now.
Suddenly, they can't get to the edit screen, it is just blank. The dashboard appears as normal and seems to function fine. However, when you try to view a page from the Sitemap - it just comes up blank with no controls on the screen at all.
Any ideas would be greatly appreciated. Incidentally, I've restored a one-month old backup from the server (which I think precedes the problem), but still no go.
Suddenly, they can't get to the edit screen, it is just blank. The dashboard appears as normal and seems to function fine. However, when you try to view a page from the Sitemap - it just comes up blank with no controls on the screen at all.
Any ideas would be greatly appreciated. Incidentally, I've restored a one-month old backup from the server (which I think precedes the problem), but still no go.