Some more info.
The issue seems cache-related:
a) It doesn’t show up when I’m logged in as the admin and the admin gets uncached pages.
b) But the error DOES occur when the admin gets cached pages.
c) And yet: switching off the cache entirely doesn’t solve the problem.
The cache is managed by WP Optimize. But I believe there is some simple caching mechanism in WP core as well, right?
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This reply was modified 5 years ago by martinfa.