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Information about an error displayed when an unexpected condition (error) occurs.

25 votes
Accepted

Why are some entry detail views empty in the control panel?

That error isn't a Craft or PHP error, it's coming from older versions of xDebug. It can happen on more complicated pages (lots of fields, tabs, etc.), but you can get around it by adjusting the xdeb …
Brad Bell's user avatar
  • 67.6k
12 votes
Accepted

"Craft is unable to determine if an update is available at this time."

You'll get this if (for any reason) your local install can't connect to our web service that holds all of our update and release information. If this happens, your local install will cache that there …
Brad Bell's user avatar
  • 67.6k
9 votes
Accepted

Render generic message/error template from plugin

I'm not familiar with EE's show_error, but a plugin's error template logic is identical to the logic that Craft uses to determine what to display. From your plugin, if you: throw new HttpException($ …
Brad Bell's user avatar
  • 67.6k
7 votes

PHP Fatal error: Allowed memory size of X bytes exhausted

Craft will run out-of-the-box with 32M of memory, no problem. However, memory consumption will start to increase depending on several factors including: The complexity of your site, including the n …
Brad Bell's user avatar
  • 67.6k
6 votes
Accepted

After updating, getting "Could not resolve the subpath" error

If you're setting an dynamic upload folder location for an Assets field inside of a Matrix field, you need to preface things like {slug} with {owner.slug}. See the note about dynamic subfolders on an …
Brad Bell's user avatar
  • 67.6k
4 votes

Does Craft have an installer error log I can check?

All of Craft's log files get stored in craft/storage/runtime/logs. If you're running in devMode, then any log message with a trace, info, warning or error severity error will get logged there in addi …
Brad Bell's user avatar
  • 67.6k
4 votes
Accepted

Craft 2.2 with enabled enableCsrfProtection: Failed to load resource: the server responded w...

I can confirm this is a bug on Craft 2.2.2579 when CSRF protection is enabled. Will get a fix out for it shortly and update this answer when it's done. Update: Fixed in Craft 2.2.2582.
Brad Bell's user avatar
  • 67.6k
4 votes
Accepted

Plugins page inside CP Settings not working

Sounds like an FTP upload or an unzipping operation didn't finish properly. Try downloading a fresh copy of Craft from http://buildwithcraft.com and replacing the old craft/app folder with the new on …
Brad Bell's user avatar
  • 67.6k
4 votes
Accepted

Use of undefined constant JSON_HEX_TAG

You're likely missing the PHP JSON extension, which is a requirement to run Craft.
Brad Bell's user avatar
  • 67.6k
4 votes

Craft internal error exposing sensitive data

Your guess is correct... as the docs say, you should never have devMode enabled in production environments specifically for reasons like this (as well as many others). If you find errors that are lea …
Brad Bell's user avatar
  • 67.6k
4 votes

Issues upgrading Craft 2 to 3 - Keep seeing Install Screen not Update screen

If you've seeing any install screen instead of an update screen, that means that Craft can connect to the database server specified in craft/config/db.php file, but it either can't find the database y …
Brad Bell's user avatar
  • 67.6k
4 votes

Craft CMS . Service unavailable

The 503 error that is triggered from that log entry happens when Craft files are in place on the server, but it haven't been installed yet and someone loads the front-end of the website. Assuming you' …
Brad Bell's user avatar
  • 67.6k
3 votes
Accepted

Getting "Internal Server Error: Function 'dump' does not exist" when accessing/creating cust...

Adding as an answer because it was confirmed via a support ticket that a plugin was at fault. Twig's dump method is only available in Craft when devMode is enabled. Turn it off, reproduce the probl …
Brad Bell's user avatar
  • 67.6k
3 votes
Accepted

Failed to load resource: net::ERR_CACHE_MISS

Nothing related to Craft at all, but a Chrome bug. Has been fixed in v40 in the dev channel and will eventually make it into stable. https://stackoverflow.com/questions/26408931/bizarre-error-in-chr …
Brad Bell's user avatar
  • 67.6k
3 votes

An unknown error occurred all the time

Something should be in the logs. If it's happening on every page in the control panel, then most likely it's cURL related. Clear your craft/storage/runtime/logs files, reproduce the issue, then sear …
Brad Bell's user avatar
  • 67.6k

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