Try adding define('CONCATENATE_SCRIPTS', false); to your wp-config.php file just below the define('DB_HOST' line.
https://codex.ww.wp.xz.cn/Editing_wp-config.php#Disable_Javascript_Concatenation
tried that too, problem still there, nothing changed =(
Can you tell us which browser (and version of) you’re using? Also, please try with all of your browser add-ons or extensions temporarily disabled.
Maybe with define(‘SCRIPT_DEBUG’, true); in that same wp-config.php file ?
Basically, that’s the same as what James mentioned above, but, hey, who knows, no harm in trying, it’s only affecting the logged in users like you, not the visitors, so even if it doesn’t work it’s harmless.
Mozilla Firefox 34, tried without all add-ons, problem still there, just tried opening in chrome it worked like charm. So guess theres some problem with mozilla for some reason. Dunno what could cause it everything else works just fine and didnt install anything new or did any changes.
Ah, if it’s browser-related then there would be two options
– does it still happen if you try using the media adding with another wordpress user
– does it still happen if you clear the browser cache and cookies ? You can remove only the cookies with your domain name in them
A few weeks back, one Firefox user reported a similar issue, but only when Firebug is active, which the user then reported as a bug to Firebug.
Are you sure that you tried with *all* add-ons temporarily disabled?
I figured I’d chime in.. I’ve been having a similar issue with one of my client websites. The best lead I got to a solution was someone in another thread mentioned ob_start was used in one of their plugins and this was causing an issue with WP 4.0.1+ (I’m pretty sure this is the version where it occurred, but I could be mistaken).
On that thread, everyone seemed to solve their problems by uninstalling all plugins until they located the culprit. Seems crazy that ob_start would cause this mess though. Perhaps your theme functions file uses this for a shortcode or something? I’m still experiencing the error, so I’d love an update if someone figures out the exact error.
worked when i totally removed firebug, thx alot for help =)
You’re welcome! I recommend reporting it to Firebug, at least so they have more details to go on in fixing this.
http://getfirebug.com/getinvolved
