Cannot use object of type Drupal\Core\Layout\LayoutDefinition as array

That bit of code is in at_core/includes/misc.inc in my version. I did the change there, but am still getting the error and a blank site except for "The website encountered an unexpected error. Please try again later." in the browser, and in the apache log:
[Wed May 10 20:17:31.447726 2017] [:error] [pid 11262] [client 199.106.195.8:60523] Error: Cannot use object of type Drupal\\Core\\Layout\\LayoutDefinition as array in /var/www/oursite.org/htdocs/themes/contrib/adaptivetheme/at_core/includes/misc.inc on line 106 #0 /var/www/oursite.org/htdocs/themes/contrib/adaptivetheme/at_core/includes/preprocess.inc(928): _at_core_layout_plugin_attributes(Array)\n#1 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Theme/ThemeManager.php(287): at_core_preprocess_at_layout(Array, 'ds_1col', Array)\n#2 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/Renderer.php(435): Drupal\\Core\\Theme\\ThemeManager->render('ds_1col', Array)\n#3 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/Renderer.php(195): Drupal\\Core\\Render\\Renderer->doRender(Array, false)\n#4 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Template/TwigExtension.php(490): Drupal\\Core\\Render\\Renderer->render(Array)\n#5 /var/www/oursite.org/htdocs/vendor/twig/twig/lib/Twig/Environment.php(462) : eval()'d code(43): Drupal\\Core\\Template\\TwigExtension->escapeFilter(Object(Drupal\\Core\\Template\\TwigEnvironment), Array, 'html', NULL, true)\n#6 /var/www/oursite.org/htdocs/vendor/twig/twig/lib/Twig/Template.php(432): __TwigTemplate_186b9b7784943b1cb66dfc04a8b253430787088f9663b1bc2cba32f37c47f1d8->doDisplay(Array, Array)\n#7 /var/www/oursite.org/htdocs/vendor/twig/twig/lib/Twig/Template.php(403): Twig_Template->displayWithErrorHandling(Array, Array)\n#8 /var/www/oursite.org/htdocs/vendor/twig/twig/lib/Twig/Template.php(411): Twig_Template->display(Array)\n#9 /var/www/oursite.org/htdocs/core/themes/engines/twig/twig.engine(64): Twig_Template->render(Array)\n#10 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('modules/ds/temp...', Array)\n#11 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/Renderer.php(435): Drupal\\Core\\Theme\\ThemeManager->render('ds_entity_view', Array)\n#12 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/Renderer.php(195): Drupal\\Core\\Render\\Renderer->doRender(Array, false)\n#13 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(226): Drupal\\Core\\Render\\Renderer->render(Array, false)\n#14 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/Renderer.php(574): Drupal\\Core\\Render\\MainContent\\HtmlRenderer->Drupal\\Core\\Render\\MainContent\\{closure}()\n#15 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(227): Drupal\\Core\\Render\\Renderer->executeInRenderContext(Object(Drupal\\Core\\Render\\RenderContext), Object(Closure))\n#16 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(117): Drupal\\Core\\Render\\MainContent\\HtmlRenderer->prepare(Array, Object(Symfony\\Component\\HttpFoundation\\Request), Object(Drupal\\Core\\Routing\\CurrentRouteMatch))\n#17 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php(90): Drupal\\Core\\Render\\MainContent\\HtmlRenderer->renderResponse(Array, Object(Symfony\\Component\\HttpFoundation\\Request), Object(Drupal\\Core\\Routing\\CurrentRouteMatch))\n#18 /var/www/oursite.org/htdocs/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(111): Drupal\\Core\\EventSubscriber\\MainContentViewSubscriber->onViewRenderArray(Object(Symfony\\Component\\HttpKernel\\Event\\GetResponseForControllerResultEvent), 'kernel.view', Object(Drupal\\Component\\EventDispatcher\\ContainerAwareEventDispatcher))\n#19 /var/www/oursite.org/htdocs/vendor/symfony/http-kernel/HttpKernel.php(149): Drupal\\Component\\EventDispatcher\\ContainerAwareEventDispatcher->dispatch('kernel.view', Object(Symfony\\Component\\HttpKernel\\Event\\GetResponseForControllerResultEvent))\n#20 /var/www/oursite.org/htdocs/vendor/symfony/http-kernel/HttpKernel.php(64): Symfony\\Component\\HttpKernel\\HttpKernel->handleRaw(Object(Symfony\\Component\\HttpFoundation\\Request), 1)\n#21 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\\Component\\HttpKernel\\HttpKernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#22 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\\Core\\StackMiddleware\\Session->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#23 /var/www/oursite.org/htdocs/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): Drupal\\Core\\StackMiddleware\\KernelPreHandle->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#24 /var/www/oursite.org/htdocs/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupal\\page_cache\\StackMiddleware\\PageCache->pass(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#25 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\\page_cache\\StackMiddleware\\PageCache->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#26 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(50): Drupal\\Core\\StackMiddleware\\ReverseProxyMiddleware->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#27 /var/www/oursite.org/htdocs/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\\Core\\StackMiddleware\\NegotiationMiddleware->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#28 /var/www/oursite.org/htdocs/core/lib/Drupal/Core/DrupalKernel.php(656): Stack\\StackedHttpKernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#29 /var/www/oursite.org/htdocs/index.php(19): Drupal\\Core\\DrupalKernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request))\n#30 {main}

Help?

If the broken module is crashing Drupal site then simply delete module's folder
and
run update script through this URL
http://your-domain.com/update.php

and
Rebuild cache through this URL
http://your-domain.com/core/rebuild.php

IamDanish -

Thank you for the suggestion, but the new module is part of core and the old/deprecated module is required by Adaptive Theme. I don't feel comfortable deleting part of core, especially to assist a module that should be being phased out... no?

I have a child theme that uses an AT base of at_core (8.x-2.0)

Nedjo,
Thanks for the work on this theme and the current associated headache.
I went thru the layout plugin change with a site a few months ago and don't want a repeat.
I am building a high content site and am trying to decide between bootstrap (my go to theme)
and adaptivetheme (Never tried it)
I use composer for updates and install patches manually via patch < file.patch
With the AT dev version loaded in the site but not enabled,
I tried to install the patch you developed to work around the layout and keep getting this error.

....
contrib/adaptivetheme]# patch < adaptivetheme-layout-array-2876818-11.patch
can't find file to patch at input line 5
Perhaps you should have used the -p or --strip option?
The text leading up to this was:
--------------------------
|diff --git a/at_core/includes/misc.inc b/at_core/includes/misc.inc
|index a349350..e7a772a 100644
|--- a/at_core/includes/misc.inc
|+++ b/at_core/includes/misc.inc
--------------------------
File to patch:

I tried it in the AT-core subdirectory same result
I also tried it with the main non dev release with the same result.
Not sure if the patch is missing a piece or what??

Thoughts.

After care:
Following the comments from:
https://www.drupal.org/node/2856162#comment-12115322 #33

hence the patch above trial.

Then reading Jeff's comment that it should work (without the patch?) -

loaded the theme and the at tools via composer require drupal/adaptivetheme and composer require drupal/at_tools
the result requires the layout plugin to enable at tools

loaded the specific dev version of both composer require "drupal/adaptivetheme:2.x-dev" and composer "drupal/at_tools:2.x-dev"
this install does not require the layout plugin to be enabled.

So therefore no patch required??
but this is a fresh install. I'll see if there is a catch or trip.

#14 the patch is in the 8.x-2.x adn 8.x-3.x branches, so as long as your using a dev etc no need to apply the patch.

Cheers Nedjo, much appreciated!

Updating D8.4.6 to D8.5.0 - AdaptiveTheme 8.x-1.0 - AT Tools 8.x-1.1 - Display Suite 8.x-3.1.

This commit, 62ccc47, helped me but got this error while running the update.php, but the site was working;

An AJAX HTTP error occurred.
HTTP Result Code: 200
Debugging information follows.
Path: /update.php/start?id=2686&op=do_nojs&op=do
StatusText: parsererror
ResponseText: Drupal\Component\Plugin\Exception\PluginNotFoundException: The "ds_entity:node" plugin does not exist. in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 52 of /home/theplantgf/theplantmedicineschool.com/core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

Tried it on an update from 8.4.6 to 8.5.1 and got this error and the site was white;

The website encountered an unexpected error. Please try again later.Drupal\Component\Plugin\Exception\PluginNotFoundException: The "file_uri" plugin does not exist. in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 52 of core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

I will do some more work on this next week and see what I can find.

Updated from D8.4.8 to D8.5.3 - AdaptiveTheme 8.x-1.0 - AT Tools 8.x-1.1 - Display Suite 8.x-3.1.

All working now, thanks to the commit 62ccc47 after an error with an older version of Redirect and a reinstall of that module.

But when I turn on 7.2 PHP I get errors on the redirects on some pages and it won't display properly... work for another day. Thanks.