@idreamincode
That’s interesting, however mine is even occurring with my default admin user.
@elliot
This is occurring on a fresh install of WordPress, with no plugins installed yet (other than the ACF plugins of course).
I tried doing it with another admin user and that didn’t work either.
I turned of debug mode and fixed two depreciated functions I was using, but that didn’t seem to be related.
I checked my HTTP Error log on my server and found the following error:
[Wed Sep 18 06:19:13 2013] [error] [client] Premature end of
script headers: async-upload.php, referer:
/wp-admin/post.php?post=12&action=edit
But that doesn’t help us much, so as per my host’s recommendation, I’ve enabled a PHP error log and am now trying to reproduce the error (which doesn’t seem to want to reproduce at the moment, of course) so maybe I can get some more details on what is going on.
I did notice two errors in my new PHP log which related to ACF, but I can’t confirm if they are related to my HTTP Upload Error yet:
[18-Sep-2013 20:55:55 UTC] PHP Fatal error: Maximum execution time of 300 seconds exceeded in /wp-content/plugins/advanced-custom-fields/acf.php on line 311
and
[18-Sep-2013 20:16:16 UTC] PHP Fatal error: Maximum execution time of 300 seconds exceeded in /wp-content/plugins/advanced-custom-fields/acf.php on line 283
