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- Create a field for a content type: Entity reference, Type of item to reference: Block, Limited: 1.
- If you test it: the autocomplete field doesn't work in the node edit form. Console: 500 (Internal Server Error)
- In the section manage form display, change the widget to select list.
- Now go to the final node edit form or click edit on the entity reference field under manage fields.
You get this error:
Drupal\Component\Plugin\Exception\PluginException: The block '' did not specify a plugin. in Drupal\block\BlockPluginCollection->initializePlugin() (line 53 of core/modules/block/src/BlockPluginCollection.php).
Note: a field entity reference with a type of item to reference "View" works correctly.
In earlier versions of the Drupal (8.0.x) this problem did not exist according to my experience.
Comments
Comment #2
asghar CreditAttribution: asghar commentedHi
I have tested on 8.1.2 and could not able to produce the issue. If you face the same issue in the current version then please write the producing steps. Thanks
Comment #3
handkerchiefhi asghar
thanks for your response. Hm you're right, i testet it on https://simplytest.me (8.1.2) and it works well. But my project where the error occurs has also the version 8.1.2. Maybe other modules or configurations are the reason. I will make some other tests, debugging my project and try to find the wrongdoer. I'll be back with more information.
Comment #4
handkerchiefi can't believe it. Hours of searching and debbuging...
And the simple solution: save again the block admin page (admin/structure/block) and the error is gone.
In past, i had some similar issues in Drupal 8. For example with translation errors. Go to content translation admin page (admin/config/regional/content-language) and make a resave: the errors were gone. It's magic, and frustrating.
Comment #5
handkerchiefComment #6
adubovskoy CreditAttribution: adubovskoy at RaDon commentedThe same error. Features settings page won't work. Drush features-status the same.
mylvwddv@s6 features]$ drush features-status
Drupal\Component\Plugin\Exception\PluginException: The block '' did not specify a plugin. in [error]
/home/mylvwddv/public_html/core/modules/block/src/BlockPluginCollection.php:53
Stack trace:
#0 /home/mylvwddv/public_html/core/lib/Drupal/Component/Plugin/LazyPluginCollection.php(80):
Drupal\block\BlockPluginCollection->initializePlugin(NULL)
#1 /home/mylvwddv/public_html/core/modules/block/src/BlockPluginCollection.php(45): Drupal\Component\Plugin\LazyPluginCollection->get(NULL)
#2 /home/mylvwddv/public_html/core/modules/block/src/Entity/Block.php(138): Drupal\block\BlockPluginCollection->get(NULL)
#3 /home/mylvwddv/public_html/core/modules/block/src/Entity/Block.php(201): Drupal\block\Entity\Block->getPlugin()
#4 /home/mylvwddv/public_html/modules/contrib/features/src/FeaturesManager.php(1069): Drupal\block\Entity\Block->label()
#5 /home/mylvwddv/public_html/modules/contrib/features/src/FeaturesManager.php(1138): Drupal\features\FeaturesManager->listConfigByType('block')
#6 /home/mylvwddv/public_html/modules/contrib/features/src/FeaturesManager.php(238):
Drupal\features\FeaturesManager->initConfigCollection(false)
#7 /home/mylvwddv/public_html/modules/contrib/features/src/Plugin/FeaturesAssignment/FeaturesAssignmentPackages.php(30):
Drupal\features\FeaturesManager->getConfigCollection()
#8 /home/mylvwddv/public_html/modules/contrib/features/src/FeaturesAssigner.php(163):
Drupal\features\Plugin\FeaturesAssignment\FeaturesAssignmentPackages->assignPackages(false)
#9 /home/mylvwddv/public_html/modules/contrib/features/src/FeaturesAssigner.php(154):
Drupal\features\FeaturesAssigner->applyAssignmentMethod('packages', false)
#10 /home/mylvwddv/public_html/modules/contrib/features/drush/features.drush.inc(152): Drupal\features\FeaturesAssigner->assignConfigPackages()
#11 /home/mylvwddv/public_html/modules/contrib/features/drush/features.drush.inc(162): _drush_features_options()
#12 /opt/drush/drush-8.x/includes/command.inc(422): drush_features_status()
#13 /opt/drush/drush-8.x/includes/command.inc(231): _drush_invoke_hooks(Array, Array)
#14 /opt/drush/drush-8.x/includes/command.inc(199): drush_command()
#15 /opt/drush/drush-8.x/lib/Drush/Boot/BaseBoot.php(67): drush_dispatch(Array)
#16 /opt/drush/drush-8.x/includes/preflight.inc(66): Drush\Boot\BaseBoot->bootstrap_and_dispatch()
#17 /opt/drush/drush-8.x/drush.php(12): drush_main()
#18 {main}
Comment #7
ajmaltash CreditAttribution: ajmaltash commentedYou try to remember what block was you were working or removed by other way or imported, then you can use this code
in any preprocess hook.
\Drupal::configFactory()->getEditable('block.block.YOURPLUGINBLOCKID')->delete();
this code will remove broken block and then remove this code. Refresh cache.