Theme key "panels_XXX" not found error messages [#1359090]

Comment	File	Size	Author
#19	update.php_.patch	451 bytes	stephenrobinson

Comment #1

Letharion commented 2 December 2011 at 10:59

Status:

Active

» Postponed (maintainer needs more info)

Does this happen on a clean install? Otherwise I need instructions for reproducing the issue.

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Comment #2

stephenrobinson commented 2 December 2011 at 12:01

I think editing a component may cause a panel page to white screen its contents may mean a cache clear or theme rebuild is missing from the code somewhere? Hard to say until it happens again...Cheers

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Comment #3

stephenrobinson commented 2 December 2011 at 12:02

was on a new D7 site, not a migrated one

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Comment #5

Letharion commented 2 December 2011 at 12:23

I'm not sure I understand #3.
So what did you do to get #4?

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Comment #6

stephenrobinson commented 2 December 2011 at 12:28

#3 - I have built a new site, not migrated from a previous version, so very clean
#4 I just edited and saved a panel

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Comment #7

Letharion commented 2 December 2011 at 12:38

Aha, that was easy. Can you reproduce it with -dev though? Cause I can't, so I'm guessing this is already fixed?

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Comment #8

stephenrobinson commented 2 December 2011 at 14:05

Hi,
Dev gets rid of this error (saved twice, see output), BUT it has exposed the other issue that I couldn't remember, after you run update.php, panels become white screens until you clear the caches, this may be a core issue, don't know, the log output is:

content	2011-12-02 14:01	Panels: saved display with id 4	Admin	
	content	2011-12-02 14:01	Panels: saved display with id 4	Admin	
	file	2011-12-02 14:00	The file public://ctools/css was not deleted, because...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:00	Theme key "panels_default_style_render_region" not...	Admin

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Comment #9

Letharion commented 2 December 2011 at 14:16

Is it is possible the "file 2011-12-02 14:00 The file public://ctools/css was not deleted, because" is part of a file permissions problem, which in turn causes the error message? I don't get any of these with the latest dev.

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Comment #10

stephenrobinson commented 2 December 2011 at 14:57

I am afraid this isnt the cause, I manually created the ctools/css folder, and got a white panel following viewing a panel page after running update.php with the following output (no ctools message):

theme	2011-12-02 14:55	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:55	Theme key "panels_flexible" not found.	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin	
	theme	2011-12-02 14:55	Theme key "panels_default_style_render_region" not...	Admin

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Comment #11

stephenrobinson commented 2 December 2011 at 15:03

I just rebuilt the theme registry, not cleared all caches, and this fixed it, perhaps drupal rebuild theme registry needs to be added to the end of the update.php procedure as this fixes the broken panel issues caused by the update.

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Comment #12

stephenrobinson commented 2 December 2011 at 15:04

oh, is using zen starter kit, if that is an issue....

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Comment #13

Letharion commented 2 December 2011 at 15:35

Title:	Panels errors occurring when cron runs	» Theme key "panels_XXX" not found error messages
Status:	Postponed (maintainer needs more info)	» Fixed

Well, I don't know since, like I said, I'm not seeing this issue.
As it's fixed for you, I'll set the issue to fixed, but maybe someone else with the same issue will show up.
While yes, it's possible the theme registry needs to be rebuild at some point, as far as know, there's nothing new in Panels that was added recently that would warrant that.

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Comment #14

stephenrobinson commented 2 December 2011 at 15:48

oh well maybe I will have to replace the panels with custom page.tpl.php files instead

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Comment #15

westbywest commented 5 December 2011 at 01:51

I also encountered this very problem, using the Omega starter theme with Drupal v7.9, ctools v7.x-1.0-rc1, and Panels v7.x-3.0-alpha3, and after running update.php to upgrade views and date module to most recent versions.

I saw error messages similar to those in #8. In addition, the layout for a node variant I had created disappeared entirely from the "Content" tab in the panel editor after running update.php, even tho my layout selection for that variant was still visible in the "Layout" tab. Triggering cache refresh (which presumably also triggers theme registry refresh?) would not restore the variant's layout.

I performed these steps to resolve the problem, although that was before I found this issue:

1. Deleted the node variant entirely.
2. Switched to Bartik theme (which should have triggered a theme registry refresh when I visited admin/appearance/list)
3. Upgraded to dev version of panels module
4. Cleared all cache (via admin_menu)
5. Switched back to Omega starter kit theme
6. Recreated node variant and its missing layout

I will try to be diligent about keeping my custom node variant preserved in a feature, to avoid future mishaps. Still, I can confirm that running update.php with panels v7.x-3.0-alpha3 and ctools v7.x-1.0-rc1 seemed to cause this problem.

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Comment #16

merlinofchaos commented 5 December 2011 at 06:45

In panels.module in the function panels_theme() there is this code:

  // We don't need layout and style themes in maintenance mode.
  if (defined('MAINTENANCE_MODE')) {
    return $theme;
  }

I'm not sure why that's there -- according to the commit it was 'Prevent warnings during update" but that was in Drupal 6. In Drupal 7 this may not matter.

Try removing that and/or comment it out and see if that helps.

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Comment #17

stephenrobinson commented 5 December 2011 at 09:38

When I rebuild registry and search for panels_flexible, I get these entries that are missing/don't mention "panels_flexible" when I run update.php

In the cache table:
theme_registry:build:modules  
theme_registry:mythemename 	
In the ctools_css_cache:
flexiblev2:4 	public://ctools/css/5d2756a3a1089c633e9c74f8191aaf... 
flexiblev2:6 	public://ctools/css/ee8219add815462a3254431bf7ae66...

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Comment #18

stephenrobinson commented 5 December 2011 at 09:43

After update.php
In the cache table:
theme_registry:build:modules
theme_registry:mythemename
exist, but don't mention "panels_flexible",
ctools_css_cache is empty

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Comment #19

stephenrobinson commented 5 December 2011 at 10:09

Status	File	Size
new	update.php_.patch	451 bytes

I patched update.php to fix this...

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Comment #20

merlinofchaos commented 5 December 2011 at 16:24

Status:

Fixed

» Active

Did you try doing what I said in #16

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Comment #21

stephenrobinson commented 7 December 2011 at 10:16

Hi,
Did this with Drupal 7.10, and fixes the issue, without any errors being thrown,
Stephen :)

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Comment #22

stephenrobinson commented 7 December 2011 at 11:43

I see one of the fixes for D7.10 is "Fixed running update.php doesn't always clear the cache.", don't think so......

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Comment #23

Letharion commented 12 December 2011 at 17:52

Status:

Active

» Fixed

I take it this got solved.

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Comment #24

merlinofchaos commented 12 December 2011 at 19:17

Status:

Fixed

» Active

Not yet -- I'm waiting for feedback on #16 -- we need some testing to see if that MAINTENANCE_MODE test can simply be removed. According to the commit, things used to break during update.php but I think that may no longer be true.

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Comment #25

bradjones1

English

commented 29 August 2012 at 13:50

Version:

7.x-3.0-alpha3

» 7.x-3.x-dev

To those (like me) trying to follow along: Earl commented out the MAINTENANCE_MODE test proposed above at http://drupalcode.org/project/panels.git/commit/3cd0440e5aaf222657611cd4.... So it's in the -dev branch.

The D6 version of this issue/commit is here over on #979912: Panels cache getting stuck, getting white screen on my homepage panel..

@merlinofchaos: If you were looking for feedback as to whether this should stay gone, I just got tripped up by this issue after a DB update using update.php. To get things back to normal re: panels, I had to go in and set MAINTENANCE_MODE to 0 using drush. I agree I don't see much reason for this in the D7 version.

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Comment #25.0

bradjones1

English

commented 29 August 2012 at 13:50

Issue summary:

View changes

typo

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Comment #26

japerry

KOMK

commented 14 July 2026 at 01:09

Issue summary:	View changes
Status:	Active	» Closed (outdated)

Drupal 7 is no longer supported, closing.

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Comment #27

14 July 2026 at 01:09

Now that this issue is closed, review the contribution record.

As a contributor, attribute any organization that helped you, or if you volunteered your own time.

Maintainers, credit people who helped resolve this issue.

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