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I get this error with Drupal 7.
The website encountered an unexpected error. Please try again later.
How can I get more information about this error? Is there any report or log to understand what happened? The PHP log doesn't report errors.
How can I disable that message and have a more useful one for debugging purpose?
This error comes from an uncaught PHP exception. Drupal catches exceptions so no ugly PHP error message is displayed to user. You can find the exception info in the 'Recent log messages' link on Reports (or try this path: /admin/reports/dblog). Make sure 'Database logging' module is enabled because this module provides this report.
You will see all the internal messages that have been generated. Filter by type 'PHP' and Severity 'error' and you'll probably find a message about an uncaught exception. This is causing your problem. Now you have more information so you may be able to fix it.
/admin/reports/dblog. Unless, of course, you can't even login because this stupid error has hosed your entire drupal site!
– g33kz0r
Feb 3 '13 at 1:45
EASY WAY for Drupal 8,
if you can't login anymore to access the recent log messages as described in the accepted answer.
Open the file /sites/default/settings.php with an editor or ftp client and add this line:
$config['system.logging']['error_level'] = 'verbose';
After reloading the page you will see a full error message, instead of the generic “The website encountered an unexpected error. Please try again later.”
If using Drush, just do drush vset error_level 1.
Otherwise, go to "/admin/config/development/logging" and change the setting to "Errors and Warnings"
Instead of drush vset/vget/vdel, you can use cset/cget/cdel for config values and sset/sget/sdel for state values.
Edit your settings.php and add a line there (especially on your dev site, you can just keep this on)
$conf['error_level'] = 1;
drush requires you being able to bootstrap the database.
That error comes from _drupal_log_error().
As a quick fix for development you could update that function to provide more verbose error messages, but make absolutely sure you change it back before the site goes live :)
Check in the watchdog table in MySQL. You can download the Blob (the variables column) and open it with Notepad. It will show you a serialized object with your error.
Check the dblog. Its the best place to find errors in a Drupal webite. Also check the JS console to pick out additional errors in your browser.
Try this:
error level
admin menu equivalent: admin/config/development/logging
drush command: drush vset -y error_level <value>
values:
0: none
1: errors and warnings
2: all
To make errors visible on your Drupal website, find the index.php file in the main directory of your site. Open index.php and add this code directly before the very first line of the file:
error_reporting(E_ALL);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);
You may also try to Solving Drupal Problems With Error Logs as described here..
This is an old thread but as I encountered this same issue recently providing my inputs. I was not able to access any of the Drupal paths as I was always getting this error no matter what. This started happening after I made an update to a view so I knew what was needed to be done but I was not able to open the view. Thus I looked into Apache server logs. Apart from the solution given above such as looking at drush and dblogs it may be helpful instead to look into Apache server logs especially when you can not access any of the application paths. These are usually present under \logs\error.log file and will have the details on the unhandled exception and the place where its getting generated etc. As a quick fix you can comment the code which is throwing exception and make updates to the application. In my case I commented the code post that I was able to get to the view and make the updates needed. Hope it will help someone in some similar situations
That is very interesting but if you open the page source (CTRL-U) then all the warnings and error messages is there, they are just in a hidden element. Search for element-invisible.
Edit: $conf['error_level'] = 1; should be placed in settings.php file as well.
if you're installed any new modules may that modules are not compatible with your drupal please ensure those modules and remove and run again. Eg:i have installed page-layout module its not suitable with this then i have encountered this issue from browser after i have removed those modules from my project this works fine for me. in project loction select\modules\page-layout. remove unsupported directory from here. Thank you.
