500 internal server error in WordPress' widgets not getting fixed

Question

I am getting blank screen on wp backend Appearance >> Widgets page. When I checked under network tab in chrome, it shows 500 internal server error for widgets.php I have tried everything from last 3-4 days from increasing memory limit to addin extra handlers in .htaccess. I have tried everything through which i have been fixing it previously on some sites but now this has driven me crazy :( Can anyone help with any solution of this?

Answer 1

So for anyone else who is trying to find solution. Check your error log file. Through turning on WP_DEBUG too you cant see all error so better to check Apache log. I checked it and found that it was due to a plugin.