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For the last week, or so, I've been getting the following error:

Fatal Error: Maximum execution time of 30 seconds exceeded in src/XF/Html/Renderer/BbCode.php:330

However, when I click on the error in the error log, to try to get more details about what's going on, that also times out with an error at

src/vendor/dokuwiki/utf8/utf8.php:965.

Here's a screenshot of what I'm seeing.

[ATTACH=full]248712[/ATTACH]