Common Error Messages
Filed Under: Blogging, WordPress
Since I’ve been helping out in the WordPress Support Forums for the last year I’ve noticed numerous threads about some common error messages encountered by various bloggers. I’m going to highlight 2 such messages and show you how easy they are to correct.
Warning: Cannot modify header information - headers already sent by (output started at /path/blog/wp-config.php:34) in /path/blog/wp-login.php on line 42There are many variations of this error message but the bottom line is it’s caused by excessive whitespace. In this particular case line #42 of wp-login.php is being affected by a problem at line #34 of wp-config.php and it is most certainly excessive whitespace. The file listed first in the error is always the culprit while the second file is the victim. Open the problem file in a PLAIN TEXT EDITOR and check for whitespace where none should be. Better yet, upload a fresh copy of the offending file.
Warning: main(ABSPATHwp-admin/includes/admin.php) [function.main]: failed to open stream: No such file or directory in /home/host/public_html/site/wordpress/wp-admin/includes/upgrade.php on line 5Again, there are many variations of this error message but the cause is always the same - a missing or corrupt file. Look carefully at the error - No such file or directory in … Unfortunately sometimes things go wrong during an upload. Simply re-upload the problem files.
Learning to interpret the various error messages you may encounter will go a long way to preserving your sanity.
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