I recently attempted to update to 3.5.1 and had a lot of problems with the white screen. Right now, the blog is working on an unchanged twentytwelve theme with only a couple of widgets and akismet running. Since its working, I’d like to try to get ahead of the next failure. With the wp-config debug set to true, I get this response (and a white screen) when I try to preview a post:
Warning: Cannot modify header information – headers already sent by (output started at /services2/webpages/c/h/christianfighterpilot.com/public/blog/wp-includes/functions.php:2839) in /services2/webpages/c/h/christianfighterpilot.com/public/blog/wp-includes/pluggable.php on line 876
I’ve used search and read the FAQ on troubleshooting, which says I should look at line 2839 of the functions file. But it doesn’t have that many lines.
With debug set to false, the site works fine and I can preview posts, but this is also the only warning I’ve seen in all my white screen episodes.
How do I eliminate it?
Site hosted at Earthlink, php version 5.3.20, the blog is attached to a static html site that works fine. Site is
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